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8 papers · 1 filter
and Oxygen Stoichiometry: Structure, Resistivity, Fermi Surface Topology and Normal State Properties
Jian Ma, P. Alméras, R. J. Kelley +6
(2212) single crystal samples were studied using transmission electron microscopy (TEM), plane () and axis () res…
Pathological Behavior of Renormalization-Group Maps at High Fields and Above the Transition Temperature
Aernout C. D. van Enter, Roberto Fernández, Roman Kotecký
We show that decimation transformations applied to high- Potts models result in non-Gibbsian measures even for temperatures higher than the transition temperature. We also show…
Exactly solvable Kondo lattice model
D. F. Wang, C. Gruber
In this work, we exactly solve a Kondo lattice model in the thermodynamic limit. The system consists of an electronic conduction band described by unconstrained hopping matrix elem…
Impurity spin coupled to strongly correlated electron system: Ground State Properties
D. F. Wang, C. Gruber
Revised version, a few typing errors that might cause confusion of physics argument in the article have been corrected.
Localization Effects in Bi2Sr2Ca(Cu,Co)2O8+y High Temperature Superconductors
C. Quitmann, P. Almeras, Jian Ma +4
Doping Bi2Sr2Ca1Cu2O8+y with Co causes a superconductor-insulator transition. We study correlations between changes in the electrical resistivity RHOab(T) and the electronic bandst…
Localized electronic states and photoemission superconducting condensate in BiSrCaCuO
Jian Ma, C. Quitmann, R. J. Kelley +2
We present the first detailed angle-resolved photoemission evidence that there are two types of carriers that contribute to the photoemission superconducting condensate in $Bi_{2}S…