arXiv subjects

Andras Kaiser

Publications and source records attributed to Andras Kaiser.

2 recordsLinked to original sources

arXiv1997

Chiral symmetry breaking, the superspace gap equation and the no-renormalization theorem

Solutions of the superspace Schwinger-Dyson equations, describing mass generation and chiral symmetry breaking in supersymmetric gauge theory, need not be constrained to vanish by no-renormalization theorems, nor by special choices of gauge parameter. Thus symmetry breaking vacuum structures remain possible (as in non-supersymmetric gauge theory), inviting comparison with predictions of an alternative approach based on holomorphy and the Wilsonian effective action.

hep-th↗

arXiv1996

Zeta function regularization in de Sitter space: the Minkowski limit

We study an integral representation for the zeta function of the one-loop effective potential for a minimally coupled massive scalar field in D-dimensional de Sitter spacetime. By deforming the contour of integration we present it in a form suitable for letting the de Sitter radius tend to infinity, and we demonstrate explicitly for the case D=2 that the quantities $ζ( 0 )$ and $ζ'( 0 )$ have the appropriate Minkowski limits.

hep-th↗