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6 papers · 1 filter
Strong-coupling Superconductivity in the Cuprate Oxide
Fusayoshi J. Ohkawa
Superconductivity in the cuprate oxide is studied by Kondo-lattice theory based on the t-J model with the el-ph interaction arising from the modulation of the superexchange interac…
Quantum transport in a normal metal/odd-frequency superconductor junction
Jacob Linder, Takehito Yokoyama, Yukio Tanaka +2
Recent experimental results indicate the possible realization of a bulk odd-frequency superconducting state in the compounds CeCuSi, and CeRhIn. Motivated by this, we p…
Conductance Spectroscopy of Spin-triplet Superconductors
Yasuhiro Asano, Yukio Tanaka, Alexander A. Golubov +1
We propose a novel experiment to identify the symmetry of superconductivity on the basis of theoretical results for differential conductance of a normal metal connected to a superc…
STM/STS Study on 4a X 4a Electronic Charge Order of Superconducting Bi2Sr2CaCu2O8+d
N. Momono, A. Hashimoto, Y. Kobatake +2
We performed low-bias STM measurements on underdoped Bi2212 crystals, and confirmed that a two-dimensional (2D) superstructure with a periodicity of four lattice constants (4a) is…
Electronic structure and spontaneous internal field around non-magnetic impurities in spin-triplet chiral p-wave superconductors
Mitsuaki Takigawa, Masanori Ichioka, Kazuhiko Kuroki +1
The electronic structure around an impurity in spin triplet p-wave superconductors is studied by the Bogoliubov-de Gennes theory on a tight-binding model, where we have chosen $\si…
Doping dependence of the vortex glass and sublimation transitions in the high- superconductor LaSrCuO as determined from macroscopic measurements
R. Gilardi, S. Streule, J. Mesot +2
Magnetization and ac-susceptibility measurements are used to characterize the mixed phase of the high-temperature cuprate superconductor LaSrCuO over a large ra…