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EnglishWe apply to the CP^9 model two recently proposed numerical techniques for the simulation of systems with a theta-term. The algorithms, successfully tested in the strong coupling limit, are applied to the weak coupling region. The results agree and errors have been evaluated and are at the % level. The results scale well with the renormalization group equation and show that, for CP^9 in the presence of a theta-term, CP symmetry is spontaneously broken at $\theta=\pi$ in the continuum limit.
http://hdl.handle.net/11697/11088| Titolo: | theta dependence of the CP9 model |
| Autori interni: | GALANTE, ANGELO |
| Data di pubblicazione: | 2004 |
| Rivista: | PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY |
| Abstract: | We apply to the CP^9 model two recently proposed numerical techniques for the simulation of systems with a theta-term. The algorithms, successfully tested in the strong coupling limit, are applied to the weak coupling region. The results agree and errors have been evaluated and are at the % level. The results scale well with the renormalization group equation and show that, for CP^9 in the presence of a theta-term, CP symmetry is spontaneously broken at $\theta=\pi$ in the continuum limit. |
| Handle: | http://hdl.handle.net/11697/11088 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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