Thermal operator and dispersion relation in QED at finite temperature and chemical potential
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627-0171 (United States)
- Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, SP 05315-970 (Brazil)
Combining the thermal operator representation with the dispersion relation in QED at finite temperature and chemical potential, we determine the complete retarded photon self-energy only from its absorptive part at zero temperature. As an application of this method, we show that, even for the case of a nonzero chemical potential, the temperature dependent part of the one loop retarded photon self-energy vanishes in (1+1) dimensional massless QED.
- OSTI ID:
- 21032523
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 8 Vol. 76; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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