Spin--Orbit Coupling in Multilayer Superconductors with Charge Imbalance
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概要
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In this study, we investigate the spin susceptibility in the superconducting state of a multilayer system with a layer-dependent Rashba spin--orbit coupling, representing a locally non-centrosymmetric superconductor. We show that the charge imbalance between different layers yields a strong layer dependence on the susceptibility, most significantly for a weak spin--orbit coupling, which is in contrast to a situation with an equally distributed charge. These results can be relevant for experimental test in multilayer high-T_{\text{c}} cuprates as well as in superconducting CeCoIn<inf>5</inf>/YbCoIn<inf>5</inf>superlattices with more than two layers.
- 2013-04-15
著者
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Sigrist Manfred
Theoretische Physik
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Yanase Youichi
Graduate School of Science and Technology, Niigata University, Niigata 950-2181, Japan
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Maruyama Daisuke
Graduate School of Science and Technology, Niigata University, Niigata 950-2181, Japan
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