期刊
PHYSICAL REVIEW LETTERS
卷 109, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.246604
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资金
- EU [PITN-GA-2009-234970]
- Deutsche Forschungsgemeinschaft [TRR80, SPP 1285]
- French National Research Agency ANR [ANR-08-BLAN-0030-02]
Theory predicts for the two-dimensional electron gas with only a Rashba spin-orbit interaction a vanishing spin Hall conductivity and at the same time a finite inverse spin Hall effect. We show how these seemingly contradictory results are compatible with the Onsager relations: The latter do hold for spin and particle (charge) currents in the two-dimensional electron gas, although (i) their form depends on the experimental setup and (ii) a vanishing bulk spin Hall conductivity does not necessarily imply a vanishing spin Hall effect. We also discuss the situation in which extrinsic spin orbit from impurities is present and the bulk spin Hall conductivity can be different from zero. DOI:10.1103/PhysRevLett.109.246604
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