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Canonical analysis of symmetry enhancement with gauged grassmannian model
- Issue Date
- 2004
- Citation
- Journal of Nonlinear Mathematical Physics, v.11, pp.185 - 190
- Indexed
- SCOPUS
- Journal Title
- Journal of Nonlinear Mathematical Physics
- Volume
- 11
- Start Page
- 185
- End Page
- 190
- ISSN
- 1402-9251
- Abstract
- We study the Hamiltonian structure of the gauge symmetry breaking and enhancement. After giving a general discussion of these phenomena in terms of the constrained phase space, we perform a canonical analysis of the Grassmannian nonlinear sigma model coupled with Chern-Simons term, which contains a free parameter governing explicit symmetry enhancement⇋ breaking according to U(n + m) ⇋ U(n) × U(m). © 2004 Taylor & Francis Group, LLC.
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