Article (Scientific journals)
A note on local BRST cohomology of Yang-Mills type theories with free abelian factors
Barnich, Glenn; Boulanger, Nicolas
2018In Journal of Mathematical Physics
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Keywords :
[en] renormalisability
Abstract :
[en] We extend previous work on antifield dependent local Becchi-Rouet-Stora-Tyutin (BRST) cohomology for matter coupled gauge theories of Yang-Mills type to the case of gauge groups that involve free Abelian factors. More precisely, we first investigate in a model independent way how the dynamics enters the computation of the coho- mology for a general class of Lagrangians in general spacetime dimensions. We then discuss explicit solutions in the case of specific models. Our analysis has implica- tions for the structure of characteristic cohomology and for consistent deformations of the classical models, as well as for divergences/counterterms and for gauge anoma- lies that may appear during perturbative quantization.
Research center :
AGIF - Algèbre, Géométrie et Interactions fondamentales
Disciplines :
Physics
Author, co-author :
Barnich, Glenn
Boulanger, Nicolas  ;  Université de Mons > Faculté des Sciences > Physique théorique et mathématique
Language :
English
Title :
A note on local BRST cohomology of Yang-Mills type theories with free abelian factors
Publication date :
23 May 2018
Journal title :
Journal of Mathematical Physics
ISSN :
0022-2488
Publisher :
American Institute of Physics, United States - New York
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S814 - Physique théorique et mathématique
Research institute :
R150 - Institut de Recherche sur les Systèmes Complexes
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