Thermodynamics of discrete quantum processes
Thermodynamics of discrete quantum processes
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DOI：
10.1088/1367-2630/15/3/033022
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发表时间：
2013-03-18
影响因子：
3.3
通讯作者：
Giovannetti, Vittorio
中科院分区：
文献类型：
--
作者：
Anders, Janet;Giovannetti, Vittorio
我们定义热力学配置，并确定两个原始的配置之间的热量和工作可以定义在一个自然的方式离散量子过程。这使我们能够揭示一个一般的第二定律，任何离散的轨迹，由一系列的这些原语，连接平衡和非平衡配置。此外，在一个离散的轨迹，通过一个无限数量的配置的限制，即在可逆的限制，我们恢复饱和的第二定律。最后，我们表明，对于四种配置之间的离散卡诺循环操作一个恢复卡诺的热效率。
We define thermodynamic configurations and identify two primitives of discrete quantum processes between configurations for which heat and work can be defined in a natural way. This allows us to uncover a general second law for any discrete trajectory that consists of a sequence of these primitives, linking both equilibrium and non-equilibrium configurations. Moreover, in the limit of a discrete trajectory that passes through an infinite number of configurations, i.e. in the reversible limit, we recover the saturation of the second law. Finally, we show that for a discrete Carnot cycle operating between four configurations one recovers Carnot's thermal efficiency.