<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mukherjee, A.</style></author><author><style face="normal" font="default" size="100%">Seo, J.</style></author><author><style face="normal" font="default" size="100%">Arik, M. M.</style></author><author><style face="normal" font="default" size="100%">Zhang, H.</style></author><author><style face="normal" font="default" size="100%">Zhang, C. C.</style></author><author><style face="normal" font="default" size="100%">Kirzhner, T.</style></author><author><style face="normal" font="default" size="100%">George, D. K.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Armitage, N. P.</style></author><author><style face="normal" font="default" size="100%">Koren, G.</style></author><author><style face="normal" font="default" size="100%">Wei, J. Y. T.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Linear dichroism infrared resonance in overdoped, underdoped, and optimally doped cuprate superconductors</style></title><secondary-title><style face="normal" font="default" size="100%">Physical Review B</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Phys. Rev. B</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Materials Science</style></keyword><keyword><style  face="normal" font="default" size="100%">Physics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2020</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Aug</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">5</style></number><volume><style face="normal" font="default" size="100%">102</style></volume><pages><style face="normal" font="default" size="100%">6</style></pages><isbn><style face="normal" font="default" size="100%">2469-9950</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;By measuring the polarization changes in terahertz, infrared, and visible radiation over an extended energy range (3-2330 meV), we observe symmetry breaking in cuprate high-temperature superconductors over wide energy, doping, and temperature ranges. We measure the polarization rotation (Re[theta(F)]) and ellipticity (Im[theta(F)]) of transmitted radiation through thin films as the sample is rotated. We observe a twofold rotational symmetry in theta(F), which is associated with linear dichroism (LD) and occurs when electromagnetic radiation polarized along one direction is absorbed more strongly than radiation polarized in the perpendicular direction. Such polarization anisotropies can be generally associated with symmetry breakings. We measure the amplitude of the LD signal and study its temperature, energy, and doping dependence. The LD signal shows a resonant behavior with a peak in the few hundred meV range, which is coincident with the midinfrared optical feature that has been associated with the formation of the pseudogap state. The strongest LD signal is found in underdoped films, although it is also observed in optimally and overdoped samples. The LD signal is consistent with an electronic nematic order which is decoupled from the crystallographic axes as well as novel magnetoelectric effects.&lt;/p&gt;</style></abstract><work-type><style face="normal" font="default" size="100%">Article</style></work-type><accession-num><style face="normal" font="default" size="100%">WOS:000562627700004</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: NE5GO&lt;br/&gt;Times Cited: 0&lt;br/&gt;Cited Reference Count: 30&lt;br/&gt;Cited References: &lt;br/&gt;     Acbas G, 2009, PHYS REV LETT, V103, DOI 10.1103/PhysRevLett.103.137201&lt;br/&gt;     Armitage NP, 2014, PHYS REV B, V90, DOI 10.1103/PhysRevB.90.035135&lt;br/&gt;     Arpaia R, 2018, PHY REV MATER, V2, DOI 10.1103/PhysRevMaterials.2.024804&lt;br/&gt;     Basov DN, 2005, REV MOD PHYS, V77, P721, DOI 10.1103/RevModPhys.77.721&lt;br/&gt;     Blumberg G, 1996, PHYS REV B, V53, P11930, DOI 10.1103/PhysRevB.53.R11930&lt;br/&gt;     Cerne J, 2000, PHYS REV LETT, V84, P3418, DOI 10.1103/PhysRevLett.84.3418&lt;br/&gt;     Fauque B, 2006, PHYS REV LETT, V96, DOI 10.1103/PhysRevLett.96.197001&lt;br/&gt;     Fridman I, 2011, PHYS REV B, V84, DOI 10.1103/PhysRevB.84.104522&lt;br/&gt;     George DK, 2012, J OPT SOC AM B, V29, P1406, DOI 10.1364/JOSAB.29.001406&lt;br/&gt;     Halperin B. 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Seo, J. Arik, M. M. Zhang, H. Zhang, C. C. Kirzhner, T. George, D. K. Markelz, A. G. Armitage, N. P. Koren, G. Wei, J. Y. T. Cerne, J.&lt;br/&gt;NSF-DMR GrantNational Science Foundation (NSF) [1410599]; NSFNational Science Foundation (NSF) [MCB 1616529, DMR 1905519]; DOEUnited States Department of Energy (DOE) [DE-SC0016317]; NSERCNatural Sciences and Engineering Research Council of Canada (NSERC); CFI-OITCanada Foundation for Innovation; Canadian Institute for Advanced ResearchCanadian Institute for Advanced Research (CIFAR)&lt;br/&gt;We are indebted to D. Hsieh, S. A. Kivelson, C. M. Varma, and L. Zhao for helpful discussions. We gratefully acknowledge support from NSF-DMR Grant No. 1410599 (J.C.). A.G.M. and D.K.G. were supported by NSF Grant No. MCB 1616529 and DOE Grant No. DE-SC0016317. Work in Toronto was supported by NSERC, CFI-OIT, and the Canadian Institute for Advanced Research. J.Y.T.W. thanks Kejun Xu for laboratory assistance in Toronto. N.P.A. was supported by NSF Grant No. DMR 1905519.&lt;br/&gt;&lt;br/&gt;9&lt;br/&gt;Amer physical soc&lt;br/&gt;College pk&lt;br/&gt;2469-9969</style></notes><custom7><style face="normal" font="default" size="100%">054520</style></custom7><auth-address><style face="normal" font="default" size="100%">[Mukherjee, A.|Seo, J.|Arik, M. M.|George, D. K.|Markelz, A. G.|Cerne, J.] Univ Buffalo State Univ New York, Dept Phys, Buffalo, NY 14260 USA. [Zhang, H.|Zhang, C. C.|Wei, J. Y. T.] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada. [Kirzhner, T.|Koren, G.] Technion, Dept Phys, IL-32000 Haifa, Israel. [Armitage, N. P.] Johns Hopkins Univ, Dept Phys &amp; Astron, Inst Quantum Matter, Baltimore, MD 21218 USA.&lt;br/&gt;Mukherjee, A (corresponding author), Univ Buffalo State Univ New York, Dept Phys, Buffalo, NY 14260 USA.</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ellis, C. T.</style></author><author><style face="normal" font="default" size="100%">Stier, A. V.</style></author><author><style face="normal" font="default" size="100%">George, D. K.</style></author><author><style face="normal" font="default" size="100%">Tischler, J. G.</style></author><author><style face="normal" font="default" size="100%">Glaser, E. R.</style></author><author><style face="normal" font="default" size="100%">Myers-Ward, R. L.</style></author><author><style face="normal" font="default" size="100%">Tedesco, J. L.</style></author><author><style face="normal" font="default" size="100%">Eddy, C. R.</style></author><author><style face="normal" font="default" size="100%">Gaskill, D. K.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Multi-component response in multilayer graphene revealed through terahertz and infrared magneto-spectroscopy</style></title><secondary-title><style face="normal" font="default" size="100%">37th International Conference on Infrared, Millimeter, and Terahertz Waves</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">9/2012</style></date></pub-dates></dates><pub-location><style face="normal" font="default" size="100%">Wollongong, Australia</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Aguilar, R. V.</style></author><author><style face="normal" font="default" size="100%">Stier, A. V.</style></author><author><style face="normal" font="default" size="100%">Liu, W.</style></author><author><style face="normal" font="default" size="100%">Bilbro, L. S.</style></author><author><style face="normal" font="default" size="100%">George, D. K.</style></author><author><style face="normal" font="default" size="100%">Bansal, N.</style></author><author><style face="normal" font="default" size="100%">Wu, L.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Oh, S.</style></author><author><style face="normal" font="default" size="100%">Armitage, N. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Terahertz Response and Colossal Kerr Rotation from the Surface States of the Topological Insulator Bi2Se3</style></title><secondary-title><style face="normal" font="default" size="100%">Physical Review Letters</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Phys. Rev. Lett.</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">bi2te3</style></keyword><keyword><style  face="normal" font="default" size="100%">Physics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Feb</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">8</style></number><volume><style face="normal" font="default" size="100%">108</style></volume><pages><style face="normal" font="default" size="100%">5</style></pages><isbn><style face="normal" font="default" size="100%">0031-9007</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;We report the THz response of thin films of the topological insulator Bi2Se3. At low frequencies, transport is essentially thickness independent showing the dominant contribution of the surface electrons. Despite their extended exposure to ambient conditions, these surfaces exhibit robust properties including narrow, almost thickness-independent Drude peaks, and an unprecedentedly large polarization rotation of linearly polarized light reflected in an applied magnetic field. This Kerr rotation can be as large as 65 degrees and can be explained by a cyclotron resonance effect of the surface states.&lt;/p&gt;</style></abstract><work-type><style face="normal" font="default" size="100%">Article</style></work-type><accession-num><style face="normal" font="default" size="100%">WOS:000300576000025</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: 896NY&lt;br/&gt;Times Cited: 164&lt;br/&gt;Cited Reference Count: 35&lt;br/&gt;Cited References: &lt;br/&gt;     Akhmerov AR, 2009, PHYS REV LETT, V102, DOI 10.1103/PhysRevLett.102.216404&lt;br/&gt;     Alpichshev Z, 2010, PHYS REV LETT, V104, DOI 10.1103/PhysRevLett.104.016401&lt;br/&gt;     Analytis JG, 2010, PHYS REV B, V81, DOI 10.1103/PhysRevB.81.205407&lt;br/&gt;     Bansal N., ARXIV11045709&lt;br/&gt;     Benia HM, 2011, PHYS REV LETT, V107, DOI 10.1103/PhysRevLett.107.177602&lt;br/&gt;     Bianchi M, 2010, NAT COMMUN, V1, DOI 10.1038/ncomms1131&lt;br/&gt;     Butch NP, 2010, PHYS REV B, V81, DOI 10.1103/PhysRevB.81.241301&lt;br/&gt;     Chen J, 2011, PHYS REV B, V83, DOI 10.1103/PhysRevB.83.241304&lt;br/&gt;     Chen YL, 2009, SCIENCE, V325, P178, DOI 10.1126/science.1173034&lt;br/&gt;     Essin AM, 2009, PHYS REV LETT, V102, DOI 10.1103/PhysRevLett.102.146805&lt;br/&gt;     Eto K, 2010, PHYS REV B, V81, DOI 10.1103/PhysRevB.81.195309&lt;br/&gt;     Fu L, 2007, PHYS REV B, V76, DOI 10.1103/PhysRevB.76.045302&lt;br/&gt;     Fu L, 2008, PHYS REV LETT, V100, DOI 10.1103/PhysRevLett.100.096407&lt;br/&gt;     Hsieh D, 2008, NATURE, V452, P970, DOI 10.1038/nature06843&lt;br/&gt;     Hsieh D, 2009, NATURE, V460, P1101, DOI 10.1038/nature08234&lt;br/&gt;     Jenkins GS, 2010, PHYS REV B, V82, DOI 10.1103/PhysRevB.82.125120&lt;br/&gt;     King PDC, 2011, PHYS REV LETT, V107, DOI 10.1103/PhysRevLett.107.096802&lt;br/&gt;     LaForge AD, 2010, PHYS REV B, V81, DOI 10.1103/PhysRevB.81.125120&lt;br/&gt;     Lan YP, 2011, PHYS REV B, V83, DOI 10.1103/PhysRevB.83.205109&lt;br/&gt;     Maciejko J, 2010, PHYS REV LETT, V105, DOI 10.1103/PhysRevLett.105.166803&lt;br/&gt;     Moore JE, 2007, PHYS REV B, V75, DOI 10.1103/PhysRevB.75.121306&lt;br/&gt;     Qi XL, 2008, PHYS REV B, V78, DOI 10.1103/PhysRevB.78.195424&lt;br/&gt;     Qu DX, 2010, SCIENCE, V329, P821, DOI 10.1126/science.1189792&lt;br/&gt;     Roushan P, 2009, NATURE, V460, P1106, DOI 10.1038/nature08308&lt;br/&gt;     Roy R, 2009, PHYS REV B, V79, DOI 10.1103/PhysRevB.79.195322&lt;br/&gt;     Steinberg H, 2011, PHYS REV B, V84, DOI 10.1103/PhysRevB.84.233101&lt;br/&gt;     Sushkov AB, 2010, PHYS REV B, V82, DOI 10.1103/PhysRevB.82.125110&lt;br/&gt;     THOULESS DJ, 1982, PHYS REV LETT, V49, P405, DOI 10.1103/PhysRevLett.49.405&lt;br/&gt;     Tkachov G, 2011, PHYS REV B, V84, DOI 10.1103/PhysRevB.84.035405&lt;br/&gt;     Tse WK, 2010, PHYS REV B, V82, DOI 10.1103/PhysRevB.82.161104&lt;br/&gt;     Tse WK, 2010, PHYS REV LETT, V105, DOI 10.1103/PhysRevLett.105.057401&lt;br/&gt;     VONKLITZING K, 1980, PHYS REV LETT, V45, P494, DOI 10.1103/physrevlett.45.494&lt;br/&gt;     Xia Y, 2009, NAT PHYS, V5, P398, DOI 10.1038/NPHYS1274&lt;br/&gt;     Xiong J., PHYSICA A E IN PRESS&lt;br/&gt;     Zhang XA, 2010, PHYS REV B, V82, DOI 10.1103/PhysRevB.82.245107&lt;br/&gt;Aguilar, R. Valdes Stier, A. V. Liu, W. Bilbro, L. S. George, D. K. Bansal, N. Wu, L. Cerne, J. Markelz, A. G. Oh, S. Armitage, N. P.&lt;br/&gt;George, Deepu/J-9882-2014; Aguilar, Rolando Valdes/A-6637-2012; Liu, Wei/H-5999-2012; Wu, Liang/C-8715-2015&lt;br/&gt;George, Deepu/0000-0003-0021-0705; Aguilar, Rolando Valdes/0000-0002-4321-4792; Wu, Liang/0000-0003-1696-7809; Markelz, Andrea/0000-0003-0443-4319&lt;br/&gt;&quot;Institute for Quantum Matter&quot; DOE [DE-FG02-08ER46544]; Gordon and Betty Moore FoundationGordon and Betty Moore Foundation; NSFNational Science Foundation (NSF) [MRI-R2 0959989, DMR-1006078, DMR-0845464]; IAMDN of Rutgers University; ONROffice of Naval Research [N000140910749]; Division Of Materials ResearchNational Science Foundation (NSF)NSF - Directorate for Mathematical &amp; Physical Sciences (MPS) [0845464] Funding Source: National Science Foundation&lt;br/&gt;The authors would like to thank H. D. Drew, J. Hancock, Z. Hao, G. S. Jenkins, A. Kuzmenko, A. MacDonald, N. A. Mecholsky, A. J. Pearson, O. Tchernyshyov, W-K. Tse, and Y. Wan for helpful discussions and/or correspondences. Support for the measurements at JHU was provided under the auspices of the &quot;Institute for Quantum Matter&quot; DOE DE-FG02-08ER46544 and the Gordon and Betty Moore Foundation. The work at UB was supported by NSF MRI-R2 0959989 and NSF DMR-1006078. The work at Rutgers was supported by IAMDN of Rutgers University, NSF DMR-0845464 and ONR N000140910749.&lt;br/&gt;166&lt;br/&gt;3&lt;br/&gt;157&lt;br/&gt;Amer physical soc&lt;br/&gt;College pk</style></notes><custom7><style face="normal" font="default" size="100%">087403</style></custom7><auth-address><style face="normal" font="default" size="100%">[Aguilar, R. Valdes|Stier, A. V.|Liu, W.|Bilbro, L. S.|Wu, L.|Armitage, N. P.] Johns Hopkins Univ, Inst Quantum Matter, Baltimore, MD 21218 USA. [Aguilar, R. Valdes|Stier, A. V.|Liu, W.|Bilbro, L. S.|Wu, L.|Armitage, N. P.] Johns Hopkins Univ, Dept Phys &amp; Astron, Baltimore, MD 21218 USA. [Stier, A. V.|George, D. K.|Cerne, J.|Markelz, A. G.] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA. [Bansal, N.|Oh, S.] Rutgers State Univ, Dept Phys &amp; Astron, Piscataway, NJ 08854 USA.&lt;br/&gt;Aguilar, RV (corresponding author), Johns Hopkins Univ, Inst Quantum Matter, Baltimore, MD 21218 USA.&lt;br/&gt;rvaldes@pha.jhu.edu|npa@pha.jhu.edu</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Stier, A. V.</style></author><author><style face="normal" font="default" size="100%">George, D.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Koch, M.</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Magneto Optical Polarization Measurements using THz Polarization Modulation Spectroscopy</style></title><secondary-title><style face="normal" font="default" size="100%">2011 36th International Conference on Infrared, Millimeter, and Terahertz Waves</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">International Conference on Infrared Millimeter and Terahertz Waves</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year></dates><publisher><style face="normal" font="default" size="100%">Ieee</style></publisher><pub-location><style face="normal" font="default" size="100%">New York</style></pub-location><isbn><style face="normal" font="default" size="100%">978-1-4577-0509-0</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;We report a new broad band technique for rapidly measuring the complex Faraday and Kerr rotations in materials such as topological insulators and graphene, combining the distinct advantages of THz time domain spectroscopy and polarization modulation techniques. The performance of the system is demonstrated using GaAs two dimensional electron gas in a magnetic field.&lt;/p&gt;</style></abstract><accession-num><style face="normal" font="default" size="100%">WOS:000330296300202</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: BJT73&lt;br/&gt;Times Cited: 0&lt;br/&gt;Cited Reference Count: 3&lt;br/&gt;Cited References: &lt;br/&gt;     Cerne J, 2000, PHYS REV B, V61, P8133, DOI 10.1103/PhysRevB.61.8133&lt;br/&gt;     Crassee I, 2011, NAT PHYS, V7, P48, DOI 10.1038/NPHYS1816&lt;br/&gt;     Tse WK, 2010, PHYS REV LETT, V105, DOI 10.1103/PhysRevLett.105.057401&lt;br/&gt;Stier, A. V. George, D. Markelz, A. G. Cerne, J.&lt;br/&gt;Irmmw-thz&lt;br/&gt;Proceedings Paper&lt;br/&gt;36th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)&lt;br/&gt;Oct 02-07, 2011&lt;br/&gt;Houston, TX&lt;br/&gt;Rice Univ, IEEE Microwave Theory &amp; Tech Soc, NASA, California Inst Technol, Jet Prop Lab, Univ Wollongong&lt;br/&gt;George, Deepu/J-9882-2014&lt;br/&gt;George, Deepu/0000-0003-0021-0705&lt;br/&gt;345 e 47th st, new york, ny 10017 usa&lt;br/&gt;2162-2027</style></notes><auth-address><style face="normal" font="default" size="100%">[Stier, A. V.|George, D.|Markelz, A. G.|Cerne, J.] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA.&lt;br/&gt;Stier, AV (corresponding author), SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA.</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chen, J. Y.</style></author><author><style face="normal" font="default" size="100%">Knab, J. R.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Large oxidation dependence observed in terahertz dielectric response for cytochrome c</style></title><secondary-title><style face="normal" font="default" size="100%">Physical Review E</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Phys. Rev. E</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">absorption</style></keyword><keyword><style  face="normal" font="default" size="100%">binding</style></keyword><keyword><style  face="normal" font="default" size="100%">conformation</style></keyword><keyword><style  face="normal" font="default" size="100%">dna</style></keyword><keyword><style  face="normal" font="default" size="100%">dynamics</style></keyword><keyword><style  face="normal" font="default" size="100%">heart ferricytochrome-c</style></keyword><keyword><style  face="normal" font="default" size="100%">modes</style></keyword><keyword><style  face="normal" font="default" size="100%">Physics</style></keyword><keyword><style  face="normal" font="default" size="100%">protein flexibility</style></keyword><keyword><style  face="normal" font="default" size="100%">spectroscopy</style></keyword><keyword><style  face="normal" font="default" size="100%">state</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2005</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Oct</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">4</style></number><volume><style face="normal" font="default" size="100%">72</style></volume><pages><style face="normal" font="default" size="100%">4</style></pages><isbn><style face="normal" font="default" size="100%">1539-3755</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Far infrared dielectric response is used to characterize the collective mode density of states for cytochrome c as a function of oxidation state and hydration using terahertz time domain spectroscopy. A strong absorbance and refractive index increase was observed with the oxidation. A simple phenomenological fitting using a continuous distribution of oscillators reproduces the frequency dependence of the complex dielectric response as well as demonstrates quantitative agreement with a uniform increase in either mode density or polarizability with oxidation in the 5-80 cm(-1) frequency range. Hydration dependence measurements find that a difference in the equilibrium water content for ferri and ferro cytochrome c is not sufficient to account for the large change in terahertz response. The large dielectric increase at terahertz frequencies with oxidation suggests either a significant global softening of the potential and/or a significant increase in polarizability with oxidation.&lt;/p&gt;</style></abstract><work-type><style face="normal" font="default" size="100%">Article</style></work-type><accession-num><style face="normal" font="default" size="100%">WOS:000232930600005</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: 979GO&lt;br/&gt;Times Cited: 51&lt;br/&gt;Cited Reference Count: 29&lt;br/&gt;Cited References: &lt;br/&gt;     BERGHUIS AM, 1992, J MOL BIOL, V223, P959, DOI 10.1016/0022-2836(92)90255-I&lt;br/&gt;     BONE S, 1985, J MOL BIOL, V181, P323, DOI 10.1016/0022-2836(85)90096-8&lt;br/&gt;     BONE S, 1982, J MOL BIOL, V157, P571, DOI 10.1016/0022-2836(82)90477-6&lt;br/&gt;     BROOKS B, 1985, P NATL ACAD SCI USA, V82, P4995, DOI 10.1073/pnas.82.15.4995&lt;br/&gt;     Brucherseifer M, 2000, APPL PHYS LETT, V77, P4049, DOI 10.1063/1.1332415&lt;br/&gt;     Carlson HA, 2002, CURR OPIN CHEM BIOL, V6, P447, DOI 10.1016/S1367-5931(02)00341-1&lt;br/&gt;     CHEN JY, IN PRESS BIOPHYS J&lt;br/&gt;     CUSACK S, 1986, PHYSICA B &amp; C, V136, P256, DOI 10.1016/S0378-4363(86)80069-9&lt;br/&gt;     EDEN D, 1982, P NATL ACAD SCI-BIOL, V79, P815, DOI 10.1073/pnas.79.3.815&lt;br/&gt;     FROHWIRT EM, 1959, BIOPHYS J, V71, P570&lt;br/&gt;     Jackson J.D., 1975, CLASSICAL ELECTRODYN&lt;br/&gt;     KOPPENOL WH, 1982, J BIOL CHEM, V257, P4426&lt;br/&gt;     Kutteruf MR, 2003, CHEM PHYS LETT, V375, P337, DOI 10.1016/S0009-2614(03)00856-X&lt;br/&gt;     Markelz A, 2002, PHYS MED BIOL, V47, P3797, DOI 10.1088/0031-9155/47/21/318&lt;br/&gt;     Markelz AG, 2000, CHEM PHYS LETT, V320, P42, DOI 10.1016/S0009-2614(00)00227-X&lt;br/&gt;     Menikh A, 2004, BIOSENS BIOELECTRON, V20, P658, DOI 10.1016/j.bios.2004.03.006&lt;br/&gt;     Nagel M, 2002, APPL PHYS LETT, V80, P154, DOI 10.1063/1.1428619&lt;br/&gt;     PETHIG R, 1979, DIELECTRIC ELECTRONI&lt;br/&gt;     Qi PXR, 1996, BIOCHEMISTRY-US, V35, P12275, DOI 10.1021/bi961042w&lt;br/&gt;     RINGE D, 1985, PROG BIOPHYS MOL BIO, V45, P197, DOI 10.1016/0079-6107(85)90002-1&lt;br/&gt;     SHECHTER E, 1967, BIOPOLYMERS, V5, P788, DOI 10.1002/bip.1967.360050812&lt;br/&gt;     SIMONSON T, 1995, P NATL ACAD SCI USA, V92, P1082, DOI 10.1073/pnas.92.4.1082&lt;br/&gt;     SREENATHAN BR, 1971, BIOCHEM BIOPH RES CO, V42, P1122, DOI 10.1016/0006-291X(71)90021-0&lt;br/&gt;     Takano T., 1984, Methods and Applications in Crystallographic Computing. International Summer School on Crystallographic Computing, P262&lt;br/&gt;     TAKANO T, 1980, P NATL ACAD SCI-BIOL, V77, P6371, DOI 10.1073/pnas.77.11.6371&lt;br/&gt;     Whitmire SE, 2003, BIOPHYS J, V85, P1269, DOI 10.1016/S0006-3495(03)74562-7&lt;br/&gt;     WHITMIRE SE, 2003, SENSING SCI ELECT TE, V2&lt;br/&gt;     Yamamoto K, 2002, B CHEM SOC JPN, V75, P1083, DOI 10.1246/bcsj.75.1083&lt;br/&gt;     Zhang CF, 2004, J PHYS CHEM B, V108, P10077, DOI 10.1021/jp049933y&lt;br/&gt;Chen, JY Knab, JR Cerne, J Markelz, AG&lt;br/&gt;Markelz, Andrea/0000-0003-0443-4319&lt;br/&gt;52&lt;br/&gt;&lt;br/&gt;22&lt;br/&gt;Amer physical soc&lt;br/&gt;College pk&lt;br/&gt;1550-2376&lt;br/&gt;1</style></notes><custom7><style face="normal" font="default" size="100%">040901</style></custom7><auth-address><style face="normal" font="default" size="100%">SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA.&lt;br/&gt;Chen, JY (corresponding author), SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA.</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chen, C.-Y.</style></author><author><style face="normal" font="default" size="100%">Knab, J. R.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Hillebrecht, J. R.</style></author><author><style face="normal" font="default" size="100%">Birge, R. R.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Terahertz measurements of the Photoactive Protein Bacteriorhodopsin mutant D96N: M and P states</style></title><secondary-title><style face="normal" font="default" size="100%">Mater. Res. Soc. Symp.</style></secondary-title><tertiary-title><style face="normal" font="default" size="100%">in Proteins as Materials (ed. V. P. Conteicello, et al)</style></tertiary-title></titles><dates><year><style  face="normal" font="default" size="100%">2004</style></year></dates><pub-location><style face="normal" font="default" size="100%">Warrendale, PA</style></pub-location><volume><style face="normal" font="default" size="100%">826</style></volume><pages><style face="normal" font="default" size="100%">pages261–267</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;div id=&quot;Abs1-content&quot; class=&quot;c-article-section__content&quot;&gt;&lt;p&gt;We use terahertz (THz) spectroscopy as a biomaterials characterization tool. Previously we have shown a strong contrast between the THz dielectric response for wild type (WT) and D96N mutant of bacteriorhodopsin. In those studies we observed a large increase in the THz absorbance of WT with excitation to thermally captured photo-intermediates whereas no such increase in absorbance was observed for the mutant D96N. These results suggest that the THz response is sensitive to structural changes and relative flexibility of biomolecules. However the photo-intermediate populations of the WT and D96N samples were not equivalent in those measurements. While the WT samples had relaxed (bR), M and P state intermediates present, the D96N samples had only bR and M states. Here we present terahertz absorbance measurements of D96N as a function of M and P state populations at room temperature. The THz response is constant for intermediate states populations up to 23% M state and up to 30% P state. These results verify that there is a fundamental difference in the conformational dynamics as measured by THz dielectric response for a single residue mutation.&lt;/p&gt;&lt;/div&gt;</style></abstract></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chen, J.-Y.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Biosensing with Terahertz Spectroscopy:  Ligand Binding Effects</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the International Symposium on Spectral Sensing Research </style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year></dates><pub-location><style face="normal" font="default" size="100%">Santa Barbara, CA</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chen, J.-Y.</style></author><author><style face="normal" font="default" size="100%">Cox, W.</style></author><author><style face="normal" font="default" size="100%">Bright, F. V.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Terahertz Biosensors based on Xerogel Substrates</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the International Symposium on Spectral Sensing Research</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year></dates><pub-location><style face="normal" font="default" size="100%">Santa Barbara, CA</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Asmar, N. G.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Gwinn, E. G.</style></author><author><style face="normal" font="default" size="100%">Sherwin, M. S.</style></author><author><style face="normal" font="default" size="100%">Campman, K. L.</style></author><author><style face="normal" font="default" size="100%">Gossard, A. C.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Temperature of quasi-two-dimensional electron gases under steady-state terahertz drive</style></title><secondary-title><style face="normal" font="default" size="100%">Applied Physics Letters</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Appl. Phys. Lett.</style></alt-title><short-title><style face="normal" font="default" size="100%">Appl. Phys. Lett.Appl. Phys. Lett.</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">hot-electrons</style></keyword><keyword><style  face="normal" font="default" size="100%">Physics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1996</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Feb</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">6</style></number><volume><style face="normal" font="default" size="100%">68</style></volume><pages><style face="normal" font="default" size="100%">829-831</style></pages><isbn><style face="normal" font="default" size="100%">0003-6951</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;We use photoluminescence to study the time-average energy distribution of electrons in the presence of strong steady-state drive at terahertz (THz) frequencies, in a modulation-doped 125 Angstrom AlGaAs/GaAs square well that is held at low lattice temperature TL. We find that the energy distribution can be characterized by an effective electron temperature, T-e(&amp;gt;T-L), that agrees well with values estimated from the THz-illuminated, dc conductivity. This agreement indicates that under strong THz drive, LO phonon scattering dominates both energy and momentum relaxation; that the carrier distribution maintains a heated, thermal form; and that phonon drift effects are negligible. (C) 1996 American Institute of Physics.&lt;/p&gt;</style></abstract><work-type><style face="normal" font="default" size="100%">Article</style></work-type><accession-num><style face="normal" font="default" size="100%">WOS:A1996TT66300035</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: TT663&lt;br/&gt;Times Cited: 59&lt;br/&gt;Cited Reference Count: 12&lt;br/&gt;Cited References: &lt;br/&gt;     ASMAR NG, 1995, PHYS REV B, V51, P18041, DOI 10.1103/PhysRevB.51.18041&lt;br/&gt;     BETHUNE DS, 1989, J OPT SOC AM B, V6, P910, DOI 10.1364/JOSAB.6.000910&lt;br/&gt;     CERNE J, 1995, PHYS REV B, V51, P5253, DOI 10.1103/PhysRevB.51.5253&lt;br/&gt;     CONWELL E, 1967, SOLID STATE PHYS S, V9&lt;br/&gt;     GUPTA R, 1992, PHYS REV B, V46, P7745, DOI 10.1103/PhysRevB.46.7745&lt;br/&gt;     HEYMAN JN, 1994, PHYS REV LETT, V72, P2183, DOI 10.1103/PhysRevLett.72.2183&lt;br/&gt;     KOMIYAMA S, 1985, PHYS REV B, V32, P5532, DOI 10.1103/PhysRevB.32.5532&lt;br/&gt;     MARKELZ AG, 1994, SOLID STATE ELECTRON, V37, P1243, DOI 10.1016/0038-1101(94)90399-9&lt;br/&gt;     MARKELZ AG, 1995, THESIS U CALIFORNIA&lt;br/&gt;     SHAH J, 1984, APPL PHYS LETT, V44, P322, DOI 10.1063/1.94739&lt;br/&gt;     SHAH J, 1978, SOLID STATE ELECTRON, V21, P43, DOI 10.1016/0038-1101(78)90113-2&lt;br/&gt;     YANG CH, 1985, PHYS REV LETT, V55, P2359, DOI 10.1103/PhysRevLett.55.2359&lt;br/&gt;Asmar, NG Cerne, J Markelz, AG Gwinn, EG Sherwin, MS Campman, KL Gossard, AC&lt;br/&gt;Sherwin, Mark S/Q-4762-2017&lt;br/&gt;Sherwin, Mark S/0000-0002-3869-1893; Markelz, Andrea/0000-0003-0443-4319&lt;br/&gt;59&lt;br/&gt;&lt;br/&gt;7&lt;br/&gt;Amer inst physics&lt;br/&gt;Woodbury</style></notes><auth-address><style face="normal" font="default" size="100%">UNIV CALIF SANTA BARBARA,CTR FREE ELECTRON LASER STUDIES,SANTA BARBARA,CA 93106. UNIV CALIF SANTA BARBARA,DEPT ELECT &amp; COMP ENGN,SANTA BARBARA,CA 93106.&lt;br/&gt;Asmar, NG (corresponding author), UNIV CALIF SANTA BARBARA,DEPT PHYS,SANTA BARBARA,CA 93106, USA.</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Sherwin, M. S.</style></author><author><style face="normal" font="default" size="100%">Allen, S. J.</style></author><author><style face="normal" font="default" size="100%">Sundaram, M.</style></author><author><style face="normal" font="default" size="100%">Gossard, A. C.</style></author><author><style face="normal" font="default" size="100%">Vanson, P. C.</style></author><author><style face="normal" font="default" size="100%">Bimberg, D.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">QUENCHING OF EXCITONIC QUANTUM-WELL PHOTOLUMINESCENCE BY INTENSE FAR-INFRARED RADIATION - FREE-CARRIER HEATING</style></title><secondary-title><style face="normal" font="default" size="100%">Physical Review B</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1995</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Feb 15</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">8</style></number><volume><style face="normal" font="default" size="100%">51</style></volume><pages><style face="normal" font="default" size="100%">5253-5262</style></pages><isbn><style face="normal" font="default" size="100%">0163-1829</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">WOS:A1995QP75800064</style></accession-num><notes><style face="normal" font="default" size="100%">Sherwin, Mark S/Q-4762-2017&lt;br/&gt;Sherwin, Mark S/0000-0002-3869-1893; Markelz, Andrea/0000-0003-0443-4319&lt;br/&gt;29</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Asmar, N. G.</style></author><author><style face="normal" font="default" size="100%">Markelz, A. G.</style></author><author><style face="normal" font="default" size="100%">Gwinn, E. G.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Sherwin, M. S.</style></author><author><style face="normal" font="default" size="100%">Campman, K. L.</style></author><author><style face="normal" font="default" size="100%">Hopkins, P. F.</style></author><author><style face="normal" font="default" size="100%">Gossard, A. C.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">RESONANT-ENERGY RELAXATION OF TERAHERTZ-DRIVEN 2-DIMENSIONAL ELECTRON GASES</style></title><secondary-title><style face="normal" font="default" size="100%">Physical Review B</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1995</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Jun 15</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">24</style></number><volume><style face="normal" font="default" size="100%">51</style></volume><pages><style face="normal" font="default" size="100%">18041-18044</style></pages><isbn><style face="normal" font="default" size="100%">0163-1829</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><accession-num><style face="normal" font="default" size="100%">WOS:A1995RF85700093</style></accession-num><notes><style face="normal" font="default" size="100%">Sherwin, Mark S/Q-4762-2017&lt;br/&gt;Sherwin, Mark S/0000-0002-3869-1893; Markelz, Andrea/0000-0003-0443-4319&lt;br/&gt;119</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Markelz, A.G.</style></author><author><style face="normal" font="default" size="100%">Cerne, J.</style></author><author><style face="normal" font="default" size="100%">Gwinn, E. G.</style></author><author><style face="normal" font="default" size="100%">Brar, B.</style></author><author><style face="normal" font="default" size="100%">Kroemer, H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Frequency Dependence of the Third Order Susceptibility of InAs Quantum Wells at Terahertz Frequencies</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the International Conference on the Physics of Semiconductors</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1994</style></year><pub-dates><date><style  face="normal" font="default" size="100%">08/1994</style></date></pub-dates></dates><pages><style face="normal" font="default" size="100%">1193-1196</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>