Scattering on the lateral one-dimensional superlattice with spin-orbit coupling

TL;DR

This paper investigates how electrons scatter in a 2D electron gas with Rashba spin-orbit coupling on a 1D superlattice, revealing robust spin density distributions unaffected by various parameters.

Contribution

It provides a detailed analysis of electron scattering and spin density distribution in a superlattice with varying Rashba coupling, highlighting the robustness of spin textures.

Findings

Spin density distribution remains stable despite parameter variations.

Standing wave formation observed in transmitted states.

Distribution shape is robust against Rashba and potential changes.

Abstract

The problem of scattering of the two-dimensional electron gas on the lateral one-dimensional superlattice both having different strengths of Rashba spin-orbit coupling is investigated. The scattering is considered for all the electron states on a given Fermi level. The distribution of spin density components along the superlattice is studied for the transmitted states where the formation of standing waves is observed. It is found that the shape of spin density distribution is robust against the variations of the Rashba coupling constants, the superlattice potential strength, and the Fermi level in the electron gas.