The one-loop functional as a Berezinian

Details The one-loop functional as a Berezinian The one-loop functional as a Berezinian

1998-06-22

arxiv.org/abs/hep-ph/9806436v1

Phys.Lett. B438 (1998) 106-114

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, Latex, 1 figure embedded

Scientific paper

10.1016/S0370-2693(98)00964-2

We employ notions familiar from supersymmetry for constructing the one-loop functional of general quantum field theories with bosons and fermions (spin < 1). To demonstrate the advantages of such an approach for calculating one-loop divergences, we analyse a simple Yukawa theory with two different versions of a super-heat-kernel expansion. These methods also simplify the calculation of one-loop divergences for non-renormalizable meson--baryon Lagrangians occurring in chiral perturbation theory.

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