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10 papers · 2 filters
Scattering Rate Gap in the IR Response of HgBa_2Ca_2Cu_3O_{8+delta}
J. J. McGuire, M. Windt, T. Startseva +3
The ab-plane optical spectra of one underdoped and one nearly optimally doped single crystal of HgBa_2Ca_2Cu_3O_{8+delta} were investigated in the frequency range from 40 to 40,000…
Magnetic field as a probe of gap energy scales in YBCO
N. D. Whelan, J. P. Carbotte
Among high T_c materials, the YBCO (YBa_2Cu_3O_{7-x}) compounds are special since they have superconducting chains as well as planes. We show that a discontinuity in the density of…
Microwave Conductivity due to Impurity Scattering in a d-wave Superconductor
A. J. Berlinsky, D. A. Bonn, R. Harris +1
The self-consistent t-matrix approximation for impurity scattering in unconventional superconductors is used to interpret recent measurements of the temperature and frequency depen…
Coupling strength of charge carriers to spin fluctuations in high-temperature superconductors
J. P. Carbotte, E. Schachinger, D. N. Basov
In conventional superconductors, the most direct evidence of the mechanism responsible for superconductivity comes from tunneling experiments in which a clear image of the electron…
Infrared Hall effect in high Tc superconductors: Evidence for non-Fermi liquid Hall scattering
J. Cerne, M. Grayson, D. C. Schmadel +5
Infrared (20-120 cm-1 and 900-1100 cm-1) Faraday rotation and circular dichroism are measured in high Tc superconductors using sensitive polarization modulation techniques. Optimal…
Theory of NMR as a local probe for the electronic structure in the mixed state of the high- cuprates
Dirk K. Morr, Rachel Wortis
We argue that nuclear magnetic resonance experiments are a site-sensitive probe for the electronic spectrum in the mixed state of the high- cuprates. Within a spin-fermion mod…