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arXiv 2103.13098quant-ph
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热力学应用中固态量子比特的量子控制

Quantum control of solid-state qubits for thermodynamic applications

Paul R. Eastham, Conor Murphy

摘要:

我们给出了一个概述,我们最近的理论研究激子的热力学,和其他固态量子比特,由时间相关的激光场驱动。我们考虑一个这样的发射器,并描述如何形成强场修饰状态允许发射器吸收或发射声学声子在一个受控的方式。我们目前的结果的热吸收,并表明,驱动场的形式可以定制,以产生不同的热力学过程,包括可逆和不可逆的热吸收。我们从量子热力学的角度讨论了这些效应,并概述了利用它们将固体光学冷却到低温的可能性。

英文摘要:

We give an overview of our recent theoretical studies of the thermodynamics of excitons, and other solid-state qubits, driven by time-dependent laser fields. We consider a single such emitter and describe how the formation of strong-field dressed states allows the emitter to absorb or emit acoustic phonons in a controlled way. We present results for the heat absorption, and show that the form of the driving field can be tailored to produce different thermodynamic processes, including both reversible and irreversible heat absorption. We discuss these effects from the perspective of quantum thermodynamics and outline the possibility of using them for optical cooling of solids to low temperatures.

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