Fermi liquid parameters in 2D with spin-orbit interaction

Details Fermi liquid parameters in 2D with spin-orbit interaction Fermi liquid parameters in 2D with spin-orbit interaction

2005-04-26

arxiv.org/abs/cond-mat/0504661v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

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

Scientific paper

10.1103/PhysRevB.72.195319

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.

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