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Heavy quarkonia in a medium as a quantum dissipative system: master-equation approach

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Abstract

The problem of the evolution of a heavy quarkonium in a medium can be recast as that of a quantum dissipative system. Within the framework of the master-equation approach to open quantum systems, we consider the real-time dynamics of quarkonia. We find that in a plasma at fixed temperature, the populations of the various quarkonium states evolve together, while their momentum distribution satisfies a Fokker–Planck equation.

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Authors and Affiliations

  1. Fakultät für Physik, Universität Bielefeld, Postfach 100131, 33501, Bielefeld, Germany

    Nicolas Borghini & Clément Gombeaud

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  1. Nicolas Borghini
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  2. Clément Gombeaud
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Correspondence to Nicolas Borghini.

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Borghini, N., Gombeaud, C. Heavy quarkonia in a medium as a quantum dissipative system: master-equation approach. Eur. Phys. J. C 72, 2000 (2012). https://doi.org/10.1140/epjc/s10052-012-2000-7

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  • DOI: https://doi.org/10.1140/epjc/s10052-012-2000-7

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