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Event 

Title:
Letícia Palhares(UERJ): Non-perturbative BRST breaking,
When:
27.11.2014 16.00 h
Where:
Auditório 201 - Niterói
Category:
Seminários

Description

Seminário do Grupo de Física Teórica

Autora: Letícia Palhares - Departamento de Física Teórica - IF-UERJ

Título: Non-perturbative BRST breaking, confinement and Gribov copies

Resumo:  In this seminar, we investigate the role of a non-perturbative breaking of the BRST invariance in the infrared regime of non-Abelian gauge theories and its possible relation to confinement. This breaking naturally arises from the procedure of quantization of Landau-gauge Yang-Mills theories that takes into account the presence of Gribov copies. The resulting non-perturbative framework -- the Refined Gribov-Zwanziger theory -- is consistent with different lattice data. One can also construct direct signatures of BRST breaking in the matter sector of confining Yang-Mills theories that are in principle accessible via lattice simulations, allowing for a new non-perturbative model of matter confinement that can be treated (semi-)analytically.

Venue

Map
Group:
Auditório 201
Street:
Av. Litorânea
ZIP:
24210-346
City:
Niterói
State:
RJ
Country:
Country: br

Description

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