Application of the Worldline Path Integral Method to the Calculation of Inverse Mass Expansions
D. Fliegner, P. Haberl, M. G. Schmidt, C. Schubert
Abstract
Higher order coefficients of the inverse mass expansion of one-loop effective actions are obtained from a one-dimensional path integral representation. For the case of a massive scalar loop in the background of both a scalar potential and a (non Abelian) gauge field explicit results to O(T5) in the proper time parameter are presented.
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