A new type of spontaneous CP breaking

Abstract

I present a new form of spontaneous CP violation in which, in analogy with the left-right-symmetric model, CP breaking results from the inequality of two real vacuum expectation values. In my model there is no scalar-pseudoscalar mixing, and the smallness of strong CP violation finds a natural explanation.

plain LATEX, 12 pages, no figures and no tables

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• Mirror left-right symmetry
• A model of spontaneous $CP$ breaking at low scale
• Minimal Supersymmetric Scenarios for Spontaneous CP Violation
• Models for Geometric CP Violation with Extra Dimensions
• A low scale left-right symmetric mirror model
• Real CP violation in a simple extension of the standard model
• A new leptogenesis scenario parametrized by Dirac neutrino mass matrix