Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-06-06
Phys.Rev. D72 (2005) 103524
Physics
High Energy Physics
High Energy Physics - Theory
16 pages. Revised version (to appear in the Physical Review D). New references added
Scientific paper
10.1103/PhysRevD.72.103524
We determine the contribution of nontrivial vacuum (topological) excitations, more specifically vortex--strings of the Abelian Higgs model in 3+1 dimensions, to the functional partition function. By expressing the original action in terms of dual transformed fields we make explicit in the equivalent action the contribution of the vortex--strings excitations of the model. The effective potential of an appropriately defined local vacuum expectation value of the vortex--string field in the dual transformed action is then evaluated both at zero and finite temperatures and its properties discussed in the context of the finite temperature phase transition.
Barci Daniel G.
Linhares Cesar A.
Medeiros Neto J. F.
Ramos Rudnei O.
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