14–19 Jun 2010
Villasimius, Sardinia
Europe/Rome timezone

Non abelian Bianchi identities, monopoles and gauge invariance

18 Jun 2010, 14:50
20m
Room5 (Villasimius, Sardinia)

Room5

Villasimius, Sardinia

Tanka Village
Vacuum structure and confinement Parallel 57: Vacuum structure and confinement

Speaker

Claudio Bonati (PI)

Description

A direct connection is proved between the Non-Abelian Bianchi Identities and the Abelian Bianchi identities for the 't Hooft tensor in a generic gauge; the existence of a magnetic current is related to the violation of NABI's. Using this relation it is shown that not all gauges are equivalent to detect monopoles on the lattice, that e.g. the Maximal Abelian Gauge is a legitimate choice while the Landau gauge is not. Nevertheless monopole condensation is found to be a gauge invariant property.
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Primary authors

Adriano Di Giacomo (PI) Claudio Bonati (PI) Fabrizio Pucci (FI) Luca Lepori (TS) Massimo D'Elia (GE)

Presentation materials