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

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 potential fluctuations in the passive layer) while the lack of enhancement in the diffusive regime is due to the suppression by disorder.

arXiv comment8 pages, 2 figures

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• Coulomb Drag Mechanisms in Graphene
• Energy-driven Drag at Charge Neutrality in Graphene
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• Spin-Hall effect and spin-Coulomb drag in doped semiconductors
• Linear response theory of interacting topological insulators
• Hall Drag and Magnetodrag in Graphene
• Theory of a chiral Fermi liquid: general formalism
• Drag effects in the system of electrons and microcavity polaritons
• Spin Coulomb drag beyond the random phase approximation
• Gate control of the spin mobility through the modification of the spin-orbit interaction in two-dimensional systems
• Anomalous Hall Coulomb drag of massive Dirac fermions
• Chirality and intrinsic dissipation of spin modes in two-dimensional electron liquids
• Coulomb drag in topological insulator films
• Coulomb drag in topological materials
• Low-temperature spin Coulomb drag in a two-dimensional electron gas
• Matsubara-Frequency-Resolved Spin Exchange-Correlation Kernel for the Three-Dimensional Uniform Electron Gas