On the nature of spin currents in Rashba and Luttinger-type systems

B. A. Bernevig

doi:10.1103/PhysRevB.71.073201

On the nature of spin currents in Rashba and Luttinger-type systems

B. A. Bernevig

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

15 Scopus citations

Abstract

Full expressions for finite frequency spin, charge conductivity, and spin susceptibility in Rashba- and Luttinger-type systems are given. Whereas in the Rashba Hamiltonian the spin conductivity has the same frequency dependence as the dielectric polarizability [E. I. Rashba, cond-mat/0404723] and magnetic susceptibility [S. Erlingsson et al., cond-mat/0406531; O. Dimitrova, cond-mat/0407612], the Luttinger case is different. Moreover, for a generalized Rashba-type coupling the three quantities also exhibit different frequency dependencies.

Original language	English (US)
Article number	073201
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	71
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevB.71.073201
State	Published - Feb 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.71.073201

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abstract = "Full expressions for finite frequency spin, charge conductivity, and spin susceptibility in Rashba- and Luttinger-type systems are given. Whereas in the Rashba Hamiltonian the spin conductivity has the same frequency dependence as the dielectric polarizability [E. I. Rashba, cond-mat/0404723] and magnetic susceptibility [S. Erlingsson et al., cond-mat/0406531; O. Dimitrova, cond-mat/0407612], the Luttinger case is different. Moreover, for a generalized Rashba-type coupling the three quantities also exhibit different frequency dependencies.",

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AB - Full expressions for finite frequency spin, charge conductivity, and spin susceptibility in Rashba- and Luttinger-type systems are given. Whereas in the Rashba Hamiltonian the spin conductivity has the same frequency dependence as the dielectric polarizability [E. I. Rashba, cond-mat/0404723] and magnetic susceptibility [S. Erlingsson et al., cond-mat/0406531; O. Dimitrova, cond-mat/0407612], the Luttinger case is different. Moreover, for a generalized Rashba-type coupling the three quantities also exhibit different frequency dependencies.

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ER -

On the nature of spin currents in Rashba and Luttinger-type systems

Abstract

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