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The infrared Hall conductivity in optimally-doped BSCCO
D. C. Schmadel, G. S. Jenkins, J. J. Tu +3
he frequency dependence in the mid IR from 900 to 1100 cm and far IR at 84 cm and temperature dependence from 35 to 330 K of the normal state Hall transport is report…
Non-Fermi liquid behavior in the magnetotransport of CeMIn5 (M: Co and Rh): Striking similarity between quasi 2D heavy fermion and high-Tc cuprates
Y. Nakajima, H. Shishido, H. Nakai +10
We present a systematic study of the dc-resistivity, Hall effect, and magnetoresistance in the normal state of quasi 2D heavy fermion superconductors CeMIn5 (M: Rh and Co) under pr…
Effect of Nonmagnetic Impurity in Nearly Antiferromagnetic Fermi Liquid: Magnetic Correlations and Transport Phenomena
Hiroshi Kontani, Masanori Ohno
In nearly antiferromagnetic (AF) metals such as high-Tc superconductors (HTSC's), a single nonmagnetic impurity frequently causes nontrivial widespread change of the electronic sta…
Renormalization of Coulomb interactions in s-wave superconductor NaCoO
Keiji Yada, Hiroshi Kontani
We study the renormalized Coulomb interactions due to retardation effect in NaCoO. Although the Morel-Anderson's pseudo potential for orbital is relati…
Robustness of s-wave superconductivity against Coulomb interactions in NaCoO
Keiji Yada, Hiroshi Kontani
We study the depairing effect due to Coulomb interactions in NaCoO. We consider the electron-phonon coupling and the Coulomb interactions, and determine for s-wave su…
Nonlocal Effect of Local Nonmagnetic Impurity in High-Tc Superconductors: Induced Local Moment and Huge Residual Resistivity
Hiroshi Kontani, Masanori Ohno
We study a Hubbard model with a strong onsite impurity potential based on an improved fluctuation-exchange (FLEX) approximation, which we call the GVI-FLEX method. We find that (i)…