Vibrational origin of exchange splitting and chiral-induced spin selectivity

被引：129
作者：
Fransson, J. [1 ]
机构：
[1] Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden
来源：
PHYSICAL REVIEW B | 2020年 / 102卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.102.235416
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electron exchange and correlations emerging from the coupling between ionic vibrations and electrons are addressed. Spin-dependent electron-phonon coupling originates from the spin-orbit interaction, and it is shown that such electron-phonon coupling introduces exchange splitting between the spin channels in the structure. By application of these results to a model for a chiral molecular structure mounted between metallic leads, the chiral-induced spin selectivity is found to become several tens of percent using experimentally feasible parameters.
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页数：8
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