Modular invariance and the strong CP problem

30 Jun 2025, 14:30
30m
Aula Magna Architettura "Adalberto Libera" (Roma Tre)

Aula Magna Architettura "Adalberto Libera"

Roma Tre

Largo Giovanni Battista Marzi, 00153 Roma RM

Speaker

Ferruccio Feruglio (Istituto Nazionale di Fisica Nucleare)

Description

I discuss a set of conditions under which the strong CP problem is solved by spontaneous CP violation. Such conditions find their natural realization in anomaly-free modular invariant supersymmetric theories, suggesting a common solution to the strong CP problem and the flavor puzzle. In its minimal realization, this solution requires a single chiral multiplet, beyond those of the MSSM. If one of its spin-zero components is light, it provides a viable Dark Matter candidate.

Primary author

Ferruccio Feruglio (Istituto Nazionale di Fisica Nucleare)

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