Finite-time quantum thermodynamic processes

被引：2
|
作者：
Jahnke, T. [1 ]
Birjukov, J. [2 ]
Mahler, G. [1 ]
机构：
[1] Univ Stuttgart, Inst Theoret Phys 1, D-70550 Stuttgart, Germany
[2] Urals State Pedag Univ, Chair Theoret Phys, Jekaterinburg 620017, Russia
来源：
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS | 2007年 / 151卷 / 1期
关键词：
Attractor State; European Physical Journal Special Topic; Thermodynamic Quantity; Heat Engine; Quantum Transport;
D O I：
10.1140/epjst/e2007-00372-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study a single quantum object subject to a parametrized distortion of its discrete spectrum and to a parametrized change of its state, which remains diagonal in its invariant energy eigenbasis. The Carnot and the Otto cycle are investigated in the quasistatic as well as in the dynamic (finite time) regime. The second law is found to be valid as a result of this control, irrespective of the type of attractor states chosen. For specific control functions analytical results are obtained for the work, heat, and efficiency. The influence of dissipation is discussed.
引用
收藏
页码：167 / 180
页数：14
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