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Anomalous magnetic moment at finite chemical potential and external field effects

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Zeitschrift für Physik C Particles and Fields

Abstract

We calculate the anomalous magnetic moment of a massive Dirac fermion at non-zero temperature and chemical potential. In the course of our work we also discuss the non-linear electromagnetic field dependence. Finally we derive the effective magnetic moment is curved space and show that the recently proposed large effect due to the gravitational field is not measured in present experiments.

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Authors and Affiliations

  1. Institute of Theoretical Physics, Chalmers University of Technology, S-412 96, Göteborg, Sweden

    P. Elmfors

  2. Theory Division, CERN, CH-1211, Geneva 23, Switzerland

    B. -S. Skagerstam

  3. Institute of Theoretical Physics, Chalmers University of Technology, S-412 96, Göteborg, Sweden

    B. -S. Skagerstam

Authors
  1. P. Elmfors
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  2. B. -S. Skagerstam
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Research supported by the Swedish Natural Science Reseach Council under contract No. 8244-103

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Elmfors, P., Skagerstam, B.S. Anomalous magnetic moment at finite chemical potential and external field effects. Z. Phys. C - Particles and Fields 49, 251–259 (1991). https://doi.org/10.1007/BF01555498

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  • DOI: https://doi.org/10.1007/BF01555498

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