Anomalous Amplitudes in a Thermal Bath | Zendy

Robert D. Pisarski | Zendy; T. L. Trueman | Zendy; Michel H. G. Tytgat | Zendy

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Anomalous Amplitudes in a Thermal Bath

Author(s) -

Robert D. Pisarski,

T. L. Trueman,

Michel H. G. Tytgat

Publication year - 1998

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.131.427

Subject(s) - anomaly (physics) , amplitude , divergence (linguistics) , physics , thermal , thermal fluctuations , condensed matter physics , phase transition , quantum electrodynamics , thermal expansion , current (fluid) , thermodynamics , quantum mechanics , philosophy , linguistics

I review the implications of the axial anomaly in a thermal bath. I assumethat the Adler-Bardeen theorem applies at nonzero temperature, so that thedivergence of the axial current remains is independent of temperature.Nevertheless, I argue that while the anomaly doesn't change with temperature,``anomalous'' mesonic couplings do. This is verified by explicit calculationsin a low temperature expansion, and near the chiral phase transition.Comment: 11 pages, PTPTeX, to appear in the Proceedings of YKIS '9

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