Spin-current-induced Hall effect in superconductors

S. Takahashi; S. Maekawa

doi:10.1016/S0921-4526(02)02219-6

Spin-current-induced Hall effect in superconductors

S. Takahashi, S. Maekawa

Materials Property Division

Research output: Contribution to journal › Article › peer-review

Abstract

Anomalous Hall effect induced by a spin-polarized current in superconductors (SC) is theoretically studied. The spinpolarized quasiparticles flowing in SC are deflected by spin-orbit impurity scattering to create the charge accumulation in the transverse direction. Due to overall charge neutrality, a compensating change appears in the pair density of the condensate. To maintain the electrochemical potential of the condensate spatially constant, an electric field builds up in the transverse direction, yielding the Hall voltage. It is shown that the Hall voltages due to side jump and skew scattering have different temperature dependence in the superconducting state.

Original language	English
Pages (from-to)	1263-1264
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	329-333
Issue number	II
DOIs	https://doi.org/10.1016/S0921-4526(02)02219-6
Publication status	Published - 2003 May

Keywords

Hall effect
Spin injection
Spin-polarized transport

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1016/S0921-4526(02)02219-6

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abstract = "Anomalous Hall effect induced by a spin-polarized current in superconductors (SC) is theoretically studied. The spinpolarized quasiparticles flowing in SC are deflected by spin-orbit impurity scattering to create the charge accumulation in the transverse direction. Due to overall charge neutrality, a compensating change appears in the pair density of the condensate. To maintain the electrochemical potential of the condensate spatially constant, an electric field builds up in the transverse direction, yielding the Hall voltage. It is shown that the Hall voltages due to side jump and skew scattering have different temperature dependence in the superconducting state.",

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AB - Anomalous Hall effect induced by a spin-polarized current in superconductors (SC) is theoretically studied. The spinpolarized quasiparticles flowing in SC are deflected by spin-orbit impurity scattering to create the charge accumulation in the transverse direction. Due to overall charge neutrality, a compensating change appears in the pair density of the condensate. To maintain the electrochemical potential of the condensate spatially constant, an electric field builds up in the transverse direction, yielding the Hall voltage. It is shown that the Hall voltages due to side jump and skew scattering have different temperature dependence in the superconducting state.

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KW - Spin-polarized transport

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