福克-普朗克动力学下系统的涨落定理
Fluctuation theorems for systems under Fokker-Planck dynamics.
作者信息
Pérez-Madrid A, Santamaría-Holek I
机构信息
Departament de Física Fonamental, Facultat de Física, Universitat de Barcelona, Avenida Diagonal 647, 08028 Barcelona, Spain.
出版信息
Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Jan;79(1 Pt 1):011101. doi: 10.1103/PhysRevE.79.011101. Epub 2009 Jan 5.
We study Brownian motion driven with both conservative and nonconservative external forces. By using the thermodynamic approach of the theory of Brownian motion we obtain the Fokker-Planck equation and derive expressions for the fluctuation theorem in local equilibrium and in quasiequilibrium. In local equilibrium the expressions we obtain coincide with previous results.
我们研究由保守和非保守外力驱动的布朗运动。通过使用布朗运动理论的热力学方法，我们得到了福克 - 普朗克方程，并推导出局部平衡和准平衡下涨落定理的表达式。在局部平衡中，我们得到的表达式与先前的结果一致。
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