Theoretical approach to spin-current absorption at an interface
作者： Kazuhiro Tsutsui , Takehito Yokoyama , Kazuhiro Hosono
DOI: 10.3938/JKPS.62.1937
关键词: Impurity 、 Condensed matter physics 、 Spin Hall effect 、 Physics 、 Spin–orbit interaction 、 Spin engineering 、 Spin current 、 Spinplasmonics 、 Spin polarization 、 Electric field
摘要: We study the spin current induced by an inhomogeneous spin-orbit coupling due to impurities using Keldysh Green’s function formalism. In particular, we focus on diffusive contributions and give their analytical expressions. A is found be generated in presence of both a gradient strength external electric field. The resulting indicates spin-current absorption at interface between materials with different strengths, which exemplified experimentally-relevant setup.
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