出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要:We investigate the dual superconductivity mechanism in the exceptional group G2. This is a centerless
group (no ’t Hooft flux vortices are allowed) and we check for the presence of a magnetic
monopole condensate in the confined phase by measuring on the lattice a disorder parameter related
to the vacuum expectation value of an operator carrying magnetic charge. The behaviour
of the disorder parameter is consistent with the dual superconductor picture. A first step of an
analysis on the thermodynamical properties of the theory is conducted by mean of this operator.