Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2008-01-27
Phys. Rev. B 78, 195325 (2008)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
accepted for publication in Phys. Rev. B
Scientific paper
10.1103/PhysRevB.78.195325
We study the spin dynamics of two dimensional electron gases (2DEGs) with Rashba spin-orbit coupling by taking account of electron-electron interactions. The diffusion equations for charge and spin densities are derived by making use of the path-integral approach and the quasiclassical Green's function. Analyzing the effect of the interactions, we show that the spin-relaxation time can be enhanced by the electron-electron interaction in the ballistic regime.
Li You-Quan
Li Yuan
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