Nelson-Barr models with vector-like quark doublets suppress hadronic CP violation to three loops via an accidental symmetry in the renormalizable theory, yielding phenomenologically viable solutions distinct from singlet-based models.
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A new scalar induces transient bias to decay CP domain walls from spontaneous CP violation while its oscillations constitute dark matter.
Nelson-Barr mechanism yields ultralight scalar dark matter inducing time-periodic variation in CKM matrix elements, distinguishable from QCD axion and detectable via nuclear clocks.
Spontaneous CP violation is realized in SUSY via an extended spurion formalism in the exact limit and a model with intermediate-scale breaking along pseudo-flat directions stabilized by soft terms and non-perturbative gauge effects, predicting light scalars.
citing papers explorer
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Nelson-Barr Models with Vector-Like Quark Doublets
Nelson-Barr models with vector-like quark doublets suppress hadronic CP violation to three loops via an accidental symmetry in the renormalizable theory, yielding phenomenologically viable solutions distinct from singlet-based models.
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Transient Bias for CP Domain Wall Decay and Dark Matter
A new scalar induces transient bias to decay CP domain walls from spontaneous CP violation while its oscillations constitute dark matter.
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Nelson-Barr ultralight dark matter
Nelson-Barr mechanism yields ultralight scalar dark matter inducing time-periodic variation in CKM matrix elements, distinguishable from QCD axion and detectable via nuclear clocks.
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Exploring the Landscape of Spontaneous CP Violation in Supersymmetric Theories
Spontaneous CP violation is realized in SUSY via an extended spurion formalism in the exact limit and a model with intermediate-scale breaking along pseudo-flat directions stabilized by soft terms and non-perturbative gauge effects, predicting light scalars.