Zhou Li et al 2008 EPL 82 67003 doi:10.1209/0295-5075/82/67003
Temperature dependence of the intrinsic spin Hall effect in Rashba spin-orbit coupled systems
Zhou Li1, Zhongshui Ma1 and Chao Zhang2
Show affiliationsWe investigate the temperature dependence of the intrinsic charge and spin transport in two-dimensional semiconductors with Rashba spin-orbit coupling. For 
(where α is the Rashba spin-orbit coupling parameter), the real part of the optical conductivity (σR(ω)) and the imaginary part of the spin Hall conductivity (σIsH(ω)) decrease with temperature monotonically. Outside this frequency range, σR(ω) and σIsH(ω) exhibit resonant behavior. At high frequencies, σRsH(ω) changes sign at a characteristic temperature T1. Our result suggests that the sign and magnitude of σRsH(ω) can be tuned by changing the temperature.
- PACS
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73.23.-b Electronic transport in mesoscopic systems
- Subjects
- Dates
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Issue 6 (June 2008)
Received 26 February 2008, accepted for publication 29 April 2008
Published 3 June 2008
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Temperature dependence of the intrinsic spin Hall effect in Rashba spin-orbit coupled systems
Zhou Li et al 2008 EPL 82 67003
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