Instanton constraints and renormalization

Details Instanton constraints and renormalization Instanton constraints and renormalization

2005-04-21

arxiv.org/abs/hep-th/0504178v1

Annals Phys. 321 (2006) 331-354

Physics

High Energy Physics

High Energy Physics - Theory

29 pages

Scientific paper

10.1016/j.aop.2005.05.001

The renormalization is investigated of one-loop quantum fluctuations around a
constrained instanton in $\phi ^4$-theory with negative coupling. It is found
that the constraint should be renormalized also. This indicates that in general
only renormalizable constraints are permitted.

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