Chiral symmetry breaking in lattice QED model with fermion brane

Details Chiral symmetry breaking in lattice QED model with fermion brane Chiral symmetry breaking in lattice QED model with fermion brane

2012-03-06

arxiv.org/abs/1203.1091v2

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, 4 figures

Scientific paper

We propose a novel approach of spontaneous chiral symmetry breaking at near zero temperature in 4 dimensional QED model with 2+1 dimensional fermion brane using Hybrid Monte Carlo simulation. We consider an anisotropic QED coupling in non-compact QED action with the manifest gauge invariant interaction and fermi-velocity which is less than speed of light. This model allows for the scaling study at low temperature and strong coupling region with reduced computational cost. We compute the chiral condensate and its susceptibility with different coupling constant, velocity parameter and flavor number, and therefore obtain a compatible behavior with gap equation in broken phase. We also discuss about the comparison of Graphene model.

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