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Anomalous magnetic moment at finite chemical potential and external field effects |
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| Authors: | P Elmfors B -S Skagerstam |
| Institution: | 1. Institute of Theoretical Physics, Chalmers University of Technology, S-412 96, G?teborg, Sweden 2. Theory Division, CERN, CH-1211, Geneva 23, Switzerland 3. Institute of Theoretical Physics, Chalmers University of Technology, S-412 96, G?teborg, Sweden |
| 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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