Correlation of phonon decay with spin phase diffusion of localized electrons

TL;DR

This paper proposes a new mechanism where phonon phase disturbances cause spin decoherence in localized electrons, especially effective at low temperatures and magnetic fields, expanding understanding of spin phase decay processes.

Contribution

It introduces a quantitative analysis of phonon phase disturbances as a significant factor in electron spin decoherence, highlighting its efficiency over spin-flip processes under certain conditions.

Findings

Phonon phase disturbances significantly influence spin decoherence.

The mechanism is more effective at low temperatures and magnetic fields.

Quantitative analysis supports the proposed phonon-related decoherence process.

Abstract

A spin decoherence mechanism is proposed for localized electrons. The irregular phonon phase disturbances originated from phonon relaxation can influence electron spin precession with a net effect of spin phase decay. A quantitative analysis demonstrates relatively high efficiency of this mechanism in the low temperature and low magnetic field regime compared to the spin-flip processes.