Nonconservative generalized current-induced forces

Tchavdar N. Todorov; Daniel Dundas; Eunan J. McEniry

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Nonconservative generalized current-induced forces

机译：非保守广义电流感应力

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A recent result for the curl of forces on ions under steady-state current in atomic wires with noninteracting electrons is extended to generalized forces on classical degrees of freedom in the presence of mean-field electron-electron screening. Current is described within a generic multiterminal picture, forces within the Ehrenfest approximation, and screening within an adiabatic, but not necessarily spatially local, mean-field picture.

机译：在不存在电子相互作用的原子线中，稳态电流下离子在电流作用下的卷曲度的最新结果扩展到存在平均场电子电子筛选的经典自由度上的广义力。在通用的多端图像中描述了电流，在Ehrenfest逼近中描述了力，并在绝热但不一定是空间局部的平均场图像中进行了筛选。

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来源
《Physical review》 |2010年第7期|p.075416.1-075416.6|共6页
作者
Tchavdar N. Todorov; Daniel Dundas; Eunan J. McEniry;
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作者单位

Atomistic Simulation Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, United Kingdom;

Atomistic Simulation Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, United Kingdom;

Interdisciplinary Centre for Advanced Materials Simulation, Ruhr-Universitaet Bochum, Stiepeler Strasse 129, 44801 Bochum, Germany;

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正文语种 eng
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quantum wires; general formulation of transport theory; electromigration;

机译：量子线运输理论的一般表述;电迁移;

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Nonconservative generalized current-induced forces

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