Quantum Heat Engine With Multi-Level Quantum Systems

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dc.creatorQuan, H. T.
dc.creatorZhang, P.
dc.creatorSun, C. P.
dc.date2005-04-15
dc.date2005-10-11
dc.date.accessioned2026-07-07T06:40:56Z
dc.date.available2026-07-07T06:40:56Z
dc.descriptionBy reformulating the first law of thermodynamics in the fashion of quantum-mechanical operators on the parameter manifold, we propose a universal class of quantum heat engines (QHE) using the multi-level quantum system as the working substance. We obtain a general expression of work for the thermodynamic cycle with two thermodynamic adiabatic processes, which are microscopically quantum adiabatic processes. We also classify the conditions for a 3-level QHE to extract positive work from a heat bath. Our result is counter-intuitively different from that of a 2-level system. As a more realistic illustration, a 3-level atom system with dark state configuration manipulated by classical light is used to demonstrate our central idea.
dc.description10 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0504118
dc.identifierhttp://arxiv.org/abs/quant-ph/0504118
dc.identifierPhys. Rev. E 72, 056110 (2005)
dc.identifierdoi:10.1103/PhysRevE.72.056110
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101533
dc.subjectQuantum Physics
dc.titleQuantum Heat Engine With Multi-Level Quantum Systems
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