03-46 F. Bernasconi, G.M. Graf, D. Hasler

The heat kernel expansion for the electromagnetic field in a cavity (39K, LaTeX) Feb 11, 03

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Abstract. We derive the first six coefficients of the heat kernel expansion for the electromagnetic field in a cavity by relating it to the expansion for the Laplace operator acting on forms. As an application we verify that the electromagnetic Casimir energy is finite.

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