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Fermion mass generation without Spontaneous symmetry breaking

Event Details

Event Dates: 

Monday, September 26, 2016 - 4:00pm

Seminar Location: 

  • Duane Physics Room G125

Speaker Name(s): 

Venkitesh Ayyar

Speaker Affiliation(s): 

University of Colorado
Seminar Type/Subject

Scientific Seminar Type: 

  • Nuclear/Particle Physics Seminar

Event Details & Abstract: 

A class of lattice four-fermion models show an interesting phase diagram, with an exotic, strong paramagnetic phase (PMS phase) where fermions are massive without the formation of any bilinear condensates. Existence of a continuum limit of this phase would imply the existence of a new mechanism for fermion mass generation without spontaneous symmetry breaking. In this talk, I'll discuss our study of one such lattice model in which a continuum limit of this phase exists in (2+1)D. 

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