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arXiv 0704.2283cond-mat.stat-mechcond-mat.soft
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推广到非平衡态的爱因斯坦关系

The Einstein relation generalized to non-equilibrium

V. Blickle, T. Speck, C. Lutz, U. Seifert, C. Bechinger

摘要:

爱因斯坦关系连接的扩散常数和迁移率被违反超出线性响应制度。对于一个胶体粒子驱动沿激光陷阱施加的周期性电位,我们测试最近的理论推广的爱因斯坦关系的非平衡状态,其中涉及到一个可测量的速度关联函数的积分。

英文摘要:

The Einstein relation connecting the diffusion constant and the mobility is violated beyond the linear response regime. For a colloidal particle driven along a periodic potential imposed by laser traps, we test the recent theoretical generalization of the Einstein relation to the non-equilibrium regime which involves an integral over measurable velocity correlation functions.

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