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Intrinsically s-wave like property of triplet superconductors with spin-orbit coupling
T. Yokoyama, Y. Tanaka, J. Inoue
We have studied a general property of unconventional superconductors with spin-orbit coupling by solving the Bogoliubov-de Gennes equation and found that the two of four eigenfunct…
Spin-polarized proximity effect in superconducting junctions
T. Yokoyama, Y. Tanaka
We study spin dependent phonomena in superconducting junctions in both ballistic and diffusive regimes. For ballistic junctions we study both ferromagnet / - and d-wave supercon…
Extended s-wave pairing originating from the band in NaCoO HO
Kazuhiko Kuroki, Seiichiro Onari, Yukio Tanaka +2
Motivated by recent experiments and band calculation results, we investigate the possibility of superconductivity originating from the band of NaCoOHO a…
Decoherence of Phase Qubit using High-Tc Superconductor
Shiro Kawabata, Satoshi Kashiwaya, Yasuhiro Asano +1
We discuss how to make use of high-Tc d-wave Josephson junctions in the construction of a phase qubit. We especially focus on the effect of the quasiparticle dissipation and the ze…
Nonmonotonic d_{x^2-y^2}-Wave Superconductivity in Electron-Doped Cuprates Viewing from the Strong-Coupling Side
Tsutomu Watanabe, Takafumi Miyata, Hisatoshi Yokoyama +2
Applying a variational Monte Carlo method to a two-dimensional t-J model, we study the nonmonotonic d_{x^2-y^2}-wave superconductivity, observed by Raman scattering and ARPES exper…
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…