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Majorana bound states and non-local spin correlations in a quantum wire on an unconventional superconductor
Sho Nakosai, Jan Carl Budich, Yukio Tanaka +2
We study theoretically the proximity effect of a one-dimensional metallic quantum wire (in the absence of spin-orbit interaction) lying on top of an unconventional superconductor.…
New approach to theory of tunneling spectroscopy in unconventional superconductors
A. V. Burmistrova, I. A. Devyatov, Alexander A. Golubov +2
We have derived new boundary conditions on wave function at the normal metal / superconductor (NS) interface beyond effective mass approximation. These conditions are based on tigh…
Anomalous Josephson current in superconducting topological insulator
Ai Yamakage, Masatoshi Sato, Keiji Yada +2
We investigate the effect of helical Majorana fermions at the surface of superconducting topological insulators (STI) on the Josephson current by referring to possible pairing stat…
Crossover between BCS Superconductor and Doped Mott Insulator of d-wave Pairing State in Two-Dimensional Hubbard Model
Hisatoshi Yokoyama, Masao Ogata, Yukio Tanaka +2
With high-Tc cuprates in mind, properties of correlated dx2-y2-wave superconducting (SC) and antiferromagnetic (AF) states are studied for the Hubbard (t-t'-U) model on square latt…