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Quantum heat engine in the relativistic limit: The case of a Dirac particle

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Autor Munoz E.
Autor Pena F.J.
Fecha Ingreso 2014-04-05T00:22:33Z
Fecha Disponible 2014-04-05T00:22:33Z
Fecha en Repositorio 2014-04-04
dc.identifier 10.1103/PhysRevE.86.061108
dc.description.abstract We studied the efficiency of two different schemes for a quantum heat engine, by considering a single Dirac particle trapped in an infinite one-dimensional potential well as the "working substance." The first scheme is a cycle, composed of two adiabatic and two isoenergetic reversible trajectories in configuration space. The trajectories are driven by a quasistatic deformation of the potential well due to an external applied force. The second scheme is a variant of the former, where isoenergetic trajectories are replaced by isothermal ones, along which the system is in contact with macroscopic thermostats. This second scheme constitutes a quantum analog of the classical Carnot cycle. Our expressions, as obtained from the Dirac single-particle spectrum, converge in the nonrelativistic limit to some of the existing results in the literature for the Schrödinger spectrum. © 2012 American Physical Society. en_US
dc.source Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Link Descarga dc.source.uri
Title dc.title Quantum heat engine in the relativistic limit: The case of a Dirac particle en_US
Tipo dc.type Article
dc.description.keywords Applied forces; Configuration space; Dirac particles; Nonrelativistic; One-dimensional potential; Potential wells; Quantum analog; Quantum heat engines; Quasi-static deformation; Single particle spectrum; Condensed matter physics; Physics; Trajectories en_US

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