arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1503.08087cond-mat.mes-hallcond-mat.dis-nncond-mat.stat-mech
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定域电子的自旋噪声:跳跃和超精细相互作用的相互作用

Spin noise of localized electrons: Interplay of hopping and hyperfine interaction

M. M. Glazov

摘要:

自旋涨落理论是发展为一个整体的局域电子考虑超精细相互作用的电子和核自旋和电子之间的网站跳跃。导出了核涨落场中电子自旋进动频率与跳跃率之间任意关系的自旋噪声谱的解析表达式。跳跃率的增加导致自旋噪声谱的剧烈变化。简要讨论了外部磁场的影响。

英文摘要:

The theory of spin fluctuations is developed for an ensemble of localized electrons taking into account both hyperfine interaction of electron and nuclear spins and electron hopping between the sites. The analytical expression for the spin noise spectrum is derived for arbitrary relation between the electron spin precession frequency in the field of the nuclear fluctuation and the hopping rate. An increase in the hopping rate results in the drastic change of the spin noise spectrum. The effect of an external magnetic field is briefly addressed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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