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Interaction-enhanced quantum heat engine
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DOI：10.1103/PhysRevResearch.5.013088.png)
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Abstract
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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.
Keywords:
FINITE-TIME
EFFICIENCY
SYSTEMS
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4.2
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7.6K
Citations:
2.7W
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