Theta dependence of CP^9 model

Details Theta dependence of CP^9 model Theta dependence of CP^9 model

2003-05-27

arxiv.org/abs/hep-lat/0305022v1

Phys.Rev. D69 (2004) 056006

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 4 figures

Scientific paper

10.1103/PhysRevD.69.056006

We apply to the $CP^9$ model two recently proposed numerical techniques for 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 % level. The results scale well with the renormalization group equation and show that, for $CP^9$ in presence of a theta term, CP symmetry is spontaneously broken at $\theta=\pi$ in the continuum limit.

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