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From a Single-Band Metal to a High-Temperature Superconductor via Two Thermal Phase Transitions

Description: The nature of the pseudogap phase of cuprate high-temperature superconductors is one of the most important unsolved problems in condensed matter physics. We studied the commencement of the pseudogap state at temperature T* using three different techniques (angle-resolved photoemission spectroscopy, polar Kerr effect, and time-resolved reflectivity) on the same optimally-doped Bi2201 crystals. We observe the coincident onset at T* of a particle-hole asymmetric antinodal gap, a non-zero Kerr rota… more
Date: November 8, 2011
Creator: He, R. H.; Hashimoto, M.; Karapetyan, H.; Koralek, J. D.; Hinton, J. P.; Testaud, J. P. et al.
Partner: UNT Libraries Government Documents Department
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