2PI renormalized effective action for gauge theories

U. Reinosa; J. Serreau

doi:10.1016/j.nuclphysa.2006.11.126

2PI renormalized effective action for gauge theories

U. Reinosa
, J. Serreau

Research output: Contribution to journal › Article › peer-review

Abstract

We show how to perform renormalization in the framework of the 2PI effective action for abelian gauge theories. In addition to the usual renormalization conditions one needs to incorporate new ones in order to remove non-transverse UV divergences in the truncated two- and four-photon functions. The corresponding counterterms are allowed by gauge symmetry, in-medium independent and suppressed with respect to the accuracy of the truncation.

Original language	English
Pages (from-to)	230-233
Number of pages	4
Journal	Nuclear Physics A
Volume	785
Issue number	1-2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nuclphysa.2006.11.126
Publication status	Published - 15 Mar 2007
Externally published	Yes

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10.1016/j.nuclphysa.2006.11.126

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title = "2PI renormalized effective action for gauge theories",

abstract = "We show how to perform renormalization in the framework of the 2PI effective action for abelian gauge theories. In addition to the usual renormalization conditions one needs to incorporate new ones in order to remove non-transverse UV divergences in the truncated two- and four-photon functions. The corresponding counterterms are allowed by gauge symmetry, in-medium independent and suppressed with respect to the accuracy of the truncation.",

author = "U. Reinosa and J. Serreau",

year = "2007",

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doi = "10.1016/j.nuclphysa.2006.11.126",

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T1 - 2PI renormalized effective action for gauge theories

AU - Reinosa, U.

AU - Serreau, J.

PY - 2007/3/15

Y1 - 2007/3/15

N2 - We show how to perform renormalization in the framework of the 2PI effective action for abelian gauge theories. In addition to the usual renormalization conditions one needs to incorporate new ones in order to remove non-transverse UV divergences in the truncated two- and four-photon functions. The corresponding counterterms are allowed by gauge symmetry, in-medium independent and suppressed with respect to the accuracy of the truncation.

AB - We show how to perform renormalization in the framework of the 2PI effective action for abelian gauge theories. In addition to the usual renormalization conditions one needs to incorporate new ones in order to remove non-transverse UV divergences in the truncated two- and four-photon functions. The corresponding counterterms are allowed by gauge symmetry, in-medium independent and suppressed with respect to the accuracy of the truncation.

U2 - 10.1016/j.nuclphysa.2006.11.126

DO - 10.1016/j.nuclphysa.2006.11.126

M3 - Article

AN - SCOPUS:33847660533

SN - 0375-9474

VL - 785

SP - 230

EP - 233

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-2 SPEC. ISS.

ER -

2PI renormalized effective action for gauge theories

Abstract

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