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

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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.

Original languageEnglish (US)
Article number073201
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume71
Issue number7
DOIs
StatePublished - Feb 1 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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