Spontaneous violation of CP symmetry in the strong interactions
Some time ago Dashen [Phys. Rev. D 3, 1879 (1971)] pointed out that spontaneous CP violation can occur in the strong interactions. I show how a simple effective Lagrangian exposes the remarkably large domain of quark mass parameters for which this occurs. I close with some warnings for lattice simul...
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Veröffentlicht in: | Physical review letters 2004-05, Vol.92 (20), p.201601-201601 |
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description | Some time ago Dashen [Phys. Rev. D 3, 1879 (1971)] pointed out that spontaneous CP violation can occur in the strong interactions. I show how a simple effective Lagrangian exposes the remarkably large domain of quark mass parameters for which this occurs. I close with some warnings for lattice simulations. |
doi_str_mv | 10.1103/PhysRevLett.92.201601 |
format | Article |
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title | Spontaneous violation of CP symmetry in the strong interactions |
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