Fermi liquid parameters in 2D with spin-orbit interaction

Abstract

We derive analytical expressions for the quasiparticle lifetime tau, the effective mass m*, and the Green's function renormalization factor Z for a 2D Fermi liquid with electron-electron interaction in the presence of the Rashba spin-orbit interaction. We find that the modifications are independent of the Rashba band index rho, and occur in second order of the spin-orbit coupling alpha. In the derivation of these results, we also discuss the screening of the Coulomb interaction, as well as the susceptibility and the self-energy in small alpha.

9 pages, 1 fig. Corrected the result for the effective mass, and added a section IV.B. Corrected typos and updated references

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• A generalized Stoner criterion and versatile spin ordering in two-dimensional spin-orbit coupled electron systems
• Effective lattice model for collective modes in a Fermi liquid with spin-orbit coupling
• Tuning independently Fermi energy and spin splitting in Rashba systems: Ternary surface alloys on Ag(111)
• Electron Correlation Effects in Non-Centrosymmetric Metals in the Weak Coupling Regime
• Coupled spin-charge dynamics in helical Fermi liquids beyond the random phase approximation
• Spin Orbit Magnetism and Unconventional Superconductivity
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• Normal state properties of spin-orbit coupled Fermi gases in the upper branch of energy spectrum
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