Interaction-enhanced quantum heat engine

被引：27
|
作者：
Boubakour, Mohamed [1 ]
Fogarty, Thomas [1 ]
Busch, Thomas [1 ]
机构：
[1] Technol Grad Univ, Okinawa Inst Sci, Quantum Syst Unit, Onna, Okinawa 9040495, Japan
来源：
PHYSICAL REVIEW RESEARCH | 2023年 / 5卷 / 01期
关键词：
FINITE-TIME; EFFICIENCY; SYSTEMS;
D O I：
10.1103/PhysRevResearch.5.013088
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study a minimal quantum Otto heat engine, where the working medium consists of an interacting few-body system in a harmonic trap. This allows us to consider the interaction strength as an additional tunable parameter during the work strokes. We calculate the figures of merit of this engine as a function of the temperature and show clearly in which parameter regimes the interactions assist in engine performance. We also study the finite-time dynamics and the subsequent tradeoff between the efficiency and the power, comparing the interaction-enhanced cycle with the case where the system remains scale-invariant.
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收藏
页数：10
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