The Higher Derivative Expansion of the Effective Action by the String-Inspired Method, Part I

Details The Higher Derivative Expansion of the Effective Action by the String-Inspired Method, Part I The Higher Derivative Expansion of the Effective Action by the String-Inspired Method, Part I

1994-01-07

arxiv.org/abs/hep-ph/9401221v1

Z.Phys.C64:111-116,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, Plain TEX, 1 figure may be obtained from the authors, HD-THEP-93-44

Scientific paper

10.1007/BF01557242

The higher derivative expansion of the one-loop effective action for an external scalar potential is calculated to order O(T**7), using the string-inspired Bern-Kosower method in the first quantized path integral formulation. Comparisons are made with standard heat kernel calculations and with the corresponding Feynman diagrammatic calculation in order to show the efficiency of the present method.

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