Flavorgenesis
Andreas Ekstedt, Renato M. Fonseca, Michal Malinsk\'y
TL;DR
The paper proposes an SU(19) gauge symmetry model where all fermions are unified in one representation, and flavor arises from scalar sector parameters, simplifying Yukawa interactions.
Contribution
It introduces a novel SU(19) gauge symmetry framework where flavor is generated solely by scalar vacuum expectation values, reducing Yukawa coupling complexity.
Findings
Unified fermion representation in SU(19)
Flavor determined by scalar VEVs
Simplified Yukawa interaction structure
Abstract
We present a model where all fermions are contained in a single irreducible representation of an SU(19) gauge symmetry group. If there is only one scalar field, Yukawa interactions are controlled by a single number rather than by one or more matrices of couplings. The low-energy concept of flavor emerges entirely from the scalar-sector parameters; more specifically, entries of the Standard Model Yukawa matrices are controlled by several vacuum expectation values.
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