Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1997-12-05
Mod.Phys.Lett. A13 (1998) 1201-1212
Physics
High Energy Physics
High Energy Physics - Theory
16 pages, latex, final version published in Mod. Phys. Lett. A
Scientific paper
10.1142/S0217732398001273
We quantize the spontaneously broken abelian U(1) Higgs model by using the improved BFT and BFV formalisms. We have constructed the BFT physical fields, and obtain the first class observables including the Hamiltonian in terms of these fields. We have also explicitly shown that there are exact form invariances between the second class and first class quantities. Then, according to the BFV formalism, we have derived the corresponding Lagrangian having U(1) gauge symmetry. We also discuss at the classical level how one easily gets the first class Lagrangian from the symmetry-broken second class Lagrangian.
Kim Yong-Wan
Park Young-Jai
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