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Proper static potential in classical lattice gauge theory at finite T

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  • Published: 12 July 2021
  • Volume 2021, article number 67, (2021)
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Proper static potential in classical lattice gauge theory at finite T
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  • Alexander Lehmann1,2 &
  • Alexander Rothkopf  ORCID: orcid.org/0000-0002-5526-08091 

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  • 8 Citations

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A preprint version of the article is available at arXiv.

Abstract

We compute the proper real-time interaction potential between a static quark and antiquark in classical lattice gauge theory at finite temperature. Our central result is the determination of the screened real-part of this potential, and we reconfirm the presence of an imaginary part. The real part is intimately related to the back-reaction of the static sources onto the gauge fields, incorporated via Gauss’s law. Differences in the treatment of static sources in quantum and classical lattice gauge theory are discussed.

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Authors and Affiliations

  1. Faculty of Science and Technology, University of Stavanger, Kristine Bonnevies vei 22, 4021, Stavanger, Norway

    Alexander Lehmann & Alexander Rothkopf

  2. Institute for Theoretical Physics, Heidelberg University, Philosophenweg 16, 69120, Heidelberg, Germany

    Alexander Lehmann

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  1. Alexander Lehmann
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  2. Alexander Rothkopf
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Correspondence to Alexander Rothkopf.

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Lehmann, A., Rothkopf, A. Proper static potential in classical lattice gauge theory at finite T. J. High Energ. Phys. 2021, 67 (2021). https://doi.org/10.1007/JHEP07(2021)067

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  • Received: 01 January 2021

  • Revised: 28 May 2021

  • Accepted: 21 June 2021

  • Published: 12 July 2021

  • DOI: https://doi.org/10.1007/JHEP07(2021)067

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Keywords

  • Lattice QCD
  • Lattice Quantum Field Theory
  • Quark-Gluon Plasma
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