Anomalies in curved spacetime at finite temperature

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1992-01-01

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We discuss the problem of the breakdown of conformal and gauge symmetries at finite temperature in curved-spacetime background, when the changes in the background are gradual, in order to have a well-defined quantum field theory at finite temperature. We obtain the expressions for Seeley's coefficients and the heat-kernel expansion in this regime. As applications, we consider the self-interacting 4 and chiral Schwinger models in curved backgrounds at finite temperature. © 1992 The American Physical Society.

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Physical Review D, v. 46, n. 12, p. 5458-5466, 1992.