CMSA Quantum Matter/Quantum Field Theory Seminar: If the Weak were Strong and the Strong were Weak


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April 29, 2020 10:30 am - 12:00 pm
via Zoom Video Conferencing

Nakarin Lohitsiri - DAMTP, University of Cambridge

I will give an account of the work ArXiv:1907.08221 where we explore
the phase structure of the Standard Model as the relative strengths of
the SU(2) weak force and SU(3) strong force are varied. With a single
generation of fermions, the structure of chiral symmetry breaking
suggests that there is no phase transition as we interpolate between the
SU(3)-confining phase and the SU(2)-confining phase. Remarkably, the
massless left-handed neutrino, familiar in our world, morphs smoothly
into a massless right-handed down-quark. With multiple generations, a
similar metamorphosis occurs, but now proceeding via a phase

via Zoom Video Conferencing: