论文标题
使用非马克维亚水库的动力加热发动机
Dynamical heat engines with non--Markovian reservoirs
论文作者
论文摘要
我们讨论是否可以通过动态调节量子工作培养基和热储层之间的耦合来简单地实现热发动机。为此，我们考虑了暴露于最小调制的量子谐波振荡器的范式模型，即单色驱动耦合仅到一个热浴中。我们证明，按照系统/浴耦合强度的任何顺序，在这种设置中，浴缸的非马克维亚性是获得加热发动机的必要条件。此外，我们确定了适合发动机的结构化环境，以达到理想的Carnot效率。我们的结果为使用非马克维亚开放量子系统用于量子热机的构建和优化开辟了新的可能性。
We discuss whether, and under which conditions, it is possible to realize a heat engine simply by dynamically modulating the couplings between the quantum working medium and thermal reservoirs. For that purpose, we consider the paradigmatic model of a quantum harmonic oscillator, exposed to a minimal modulation, that is, a monochromatic driving of the coupling to only one of the thermal baths. We demonstrate, at any order in the system/bath coupling strength, that in this setup non--Markovianity of the bath is a necessary condition to obtain a heat engine. In addition, we identify suitable structured environments for the engine to approach the ideal Carnot efficiency. Our results open up new possibilities for the use of non--Markovian open quantum systems for the construction and optimization of quantum thermal machines.
