Spin Coulomb drag beyond the random phase approximation
arXiv:0706.1403 · doi:10.1103/PhysRevLett.100.016603
Abstract
We study the spin Coulomb drag in a quasi-two-dimensional electron gas beyond the random phase approximation (RPA). We find that the finite transverse width of the electron gas causes a significant reduction of the spin Coulomb drag. This reduction, however, is largely compensated by the enhancement coming from the inclusion of many-body local field effects beyond the RPA, thereby restoring good agreement with the experimental observations by C. P. Weber \textit{et al.}, Nature, \textbf{437}, 1330 (2005).
3 figures, accepted for publication in Phys. Rev. Lett
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- Effect of Singwi-Tosi-Land-Sjölander local field correction on spin relaxation in -type GaAs quantum wells at low temperature
- Matsubara-Frequency-Resolved Spin Exchange-Correlation Kernel for the Three-Dimensional Uniform Electron Gas