Quantum thermodynamic cooling cycle

José P. Palao, Ronnie Kosloff, Jeffrey M. Gordon

    Research output: Contribution to journalArticlepeer-review

    105 Scopus citations


    The quantum-mechanical and thermodynamic properties of a three-level molecular cooling cycle are derived. An inadequacy of earlier models is rectified in accounting for the spontaneous emission and absorption associated with the coupling to the coherent driving field via an environmental reservoir. This additional coupling need not be dissipative, and can provide a thermal driving force—the quantum analog of classical absorption chillers. The dependence of the maximum attainable cooling rate on temperature, at ultralow temperatures, is determined and shown to respect the recently established fundamental bound based on the second and third laws of thermodynamics.

    Original languageEnglish GB
    Pages (from-to)8
    Number of pages1
    JournalPhysical Review E
    Issue number5
    StatePublished - 1 Jan 2001

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Statistics and Probability
    • Condensed Matter Physics


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