publication . Preprint . 2006

Coulomb Drag and Spin Coulomb Drag in the presence of Spin-orbit Coupling

Tse, Wang-Kong; Sarma, S. Das;
Open Access English
  • Published: 31 Aug 2006
Abstract
Employing diagrammatic perturbation theory, we calculate the (charge) Coulomb drag resistivity $\rho_D$ and spin Coulomb drag resistivity $\rho_{\uparrow\downarrow}$ in the presence of Rashba spin-orbit coupling. Analytical expressions for $\rho_D$ and $\rho_{\uparrow\downarrow}$ are derived, and it is found that spin-orbit interaction produces a small enhancement to $\rho_D$ and $\rho_{\uparrow\downarrow}$ in the ballistic regime while $\rho_D$ is unchanged in the diffusive regime. This enhancement in the ballistic regime is attributed to the enhancement of the nonlinear susceptibility (i.e. current produced through the rectification of the thermal electric pot...
Subjects
arXiv: Condensed Matter::Mesoscopic Systems and Quantum Hall EffectCondensed Matter::Strongly Correlated ElectronsCondensed Matter::Quantum GasesPhysics::Atomic and Molecular Clusters
free text keywords: Condensed Matter - Mesoscale and Nanoscale Physics
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