| Texto completo | |
| Autor(es): |
Lehum, A. C.
[1]
Número total de Autores: 1
|
| Afiliação do(s) autor(es): | [1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo - Brazil
Número total de Afiliações: 1
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Physical Review D; v. 79, n. 2, p. 025005, 2009. |
| Citações Web of Science: | 4 |
| Resumo | |
The dynamical breaking of gauge symmetry in the supersymmetric quantum electrodynamics in three-dimensional spacetime is studied at two-loop approximation. At this level, the effective superpotential is evaluated in a supersymmetric phase. At one-loop order, we observe a generation of the Chern-Simons term due to a parity violating term present in the classical action. At two-loop order, the scalar background superfield acquires a nonvanishing vacuum expectation value, generating a mass term A(alpha)A(alpha) through the Coleman-Weinberg mechanism. It is observed that the mass of gauge superfield is predominantly an effect of the topological Chern-Simons term. (AU) | |
| Processo FAPESP: | 07/08604-1 - Quebra dinâmica de supersimetria e teoria quântica de campos não comutativa |
| Beneficiário: | André Carlos Lehum |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |