Weak anti-localization in spin-orbit coupled lattice systems: effect of non-adiabatic transitions and estimation of spin relaxation length

Abstract

This study investigates the quantum correction effect on electrical conductivity using a two-dimensional Wolff Hamiltonian, which is an effective model of the spin-orbit coupling (SOC) lattice system. The non-adiabatic transition processes in impurity scattering suppress the weak anti-localization (WAL) effect. The WAL effect in the SOC lattice system strongly depends on the spin relaxation length when compared with the Hikami-Larkin-Nagaoka (HLN) theory. The spin relaxation length in Bi thin film is discussed.

arXiv comment8 pages, 6 figures

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