Light-Front Versus Equal-Time Quantization in ϕ4 Theory

S. S. Chabysheva

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

There is a discrepancy between light-front and equal-time values for the critical coupling of two-dimensional ϕ4 theory. A proposed resolution is to take into account the difference between mass renormalizations in the two quantizations. This distinction was first discussed by M. Burkardt. It prevents direct comparison of bare parameters; however, a method proposed here allows calculation of the difference and thereby resolves the discrepancy. We also consider the consequences of allowing a sector-dependent constituent mass.

Original languageEnglish (US)
Article number111
JournalFew-Body Systems
Volume58
Issue number3
DOIs
StatePublished - May 1 2017

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