Optimal finite-time processes in stochastic thermodynamics

被引:304
作者
Schmiedl, Tim [1 ]
Seifert, Udo [1 ]
机构
[1] Univ Stuttgart, Inst Theoret Phys 2, D-70550 Stuttgart, Germany
关键词
D O I
10.1103/PhysRevLett.98.108301
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
For a small system like a colloidal particle or a single biomolecule embedded in a heat bath, the optimal protocol of an external control parameter minimizes the mean work required to drive the system from one given equilibrium state to another in a finite time. In general, this optimal protocol obeys an integro-differential equation. Explicit solutions both for a moving laser trap and a time-dependent strength of such a trap show finite jumps of the optimal protocol to be typical both at the beginning and at the end of the process.
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页数:4
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