A previously proposed nonlocal Lorentz-invariant QFT violating CPT is shown to be renormalizable and unitary while satisfying causality, offering a path to explain baryon asymmetry via CP-violating extensions of the Standard Model.
Lorentz invariant CPT violation: Particle and antiparticle mass splitting
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abstract
The interpretation of neutrino oscillation data has led to the question whether, in principle, an antiparticle like antineutrino can have a different mass than its particle. In the framework of a Lorentz invariant CPT violation, which is based on the nonlocal interaction vertex and characterized by the infrared divergent form factor, we present an explicit Lagrangian model for the fermion and antifermion mass splitting.
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hep-th 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Renormalizable and unitary nonlocal quantum field theory with CPT violation and its implication
A previously proposed nonlocal Lorentz-invariant QFT violating CPT is shown to be renormalizable and unitary while satisfying causality, offering a path to explain baryon asymmetry via CP-violating extensions of the Standard Model.