Analytic properties of the vacuum polarization tensor in the temporal gauge. Trouble with unitarity

E. Bagan, E. Santiañez

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

The UV-finite part of the vacuum polarization tensor Πμβab in the temporalplanar gauge is computed using the Leibbrandt-Vienna (or generalized Leibbrandt-Mandelstam) prescription for the gauge dependent poles of the gauge-field propagator. It is shown that Πμνab has analytic properties that differ dramatically from those familiar in covariant gauges. By explicit calculation it is also shown that graph-by-graph unitarity is not satisfied. Comments on the absence of non-local counterterms in Burnel and Caprasse's formulation of the Leibbrandt-Vienna prescriptions are given. © 1992.
Original languageEnglish
Pages (from-to)442-447
JournalPhysics Letters B
Volume292
Issue number3-4
DOIs
Publication statusPublished - 15 Oct 1992

Fingerprint Dive into the research topics of 'Analytic properties of the vacuum polarization tensor in the temporal gauge. Trouble with unitarity'. Together they form a unique fingerprint.

  • Cite this