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arXiv · 1412.2108

Fermion mass generation without a condensate

Venkitesh Ayyar
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Abstract

We study a lattice field theory model containing two flavors of massless staggered fermions with an onsite four-fermion interaction. The symmetry of the model forbids non-zero fermion bilinear order parameters that can generate a fermion mass. At weak couplings, we expect a massless fermion phase. At strong couplings, we can argue for the existence of massive fermions without the formation of any fermion bilinear condensate. Using Monte Carlo calculations in three space-time dimensions, we find evidence for a direct second order phase transition between the two phases.

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Venkitesh Ayyar. 2014-12-05. Fermion mass generation without a condensate. https://arxiv.org/abs/1412.2108

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