Breaking of permutation symmetry and diagonal group action: Nielsen model and the standard model as low-energy limit |
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Authors: | Giuseppe Gaeta |
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Affiliation: | (1) Centre de Physique Theorique, Ecole Polytechnique, F-91128 Palaiseau, France |
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Abstract: | We point out that, on the basis of a theorem by L. Michel, every model based on the symmetryG ... G has a generic low-energy limit the breaking to diagonal action, i.e., toG. This applies in particular to the proposal by Nielsen to consider such a model withG the standard model group. |
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