Magnetic and chiral universality classes in a 3D Yukawa model

Details Magnetic and chiral universality classes in a 3D Yukawa model Magnetic and chiral universality classes in a 3D Yukawa model

1995-09-13

arxiv.org/abs/hep-lat/9509040v1

Nucl.Phys.Proc.Suppl. 47 (1996) 709-712

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, contribution to LATTICE 95

Scientific paper

10.1016/0920-5632(96)00156-9

The 3D Yukawa model with U(1) chiral symmetry is investigated in a broad interval of parameters using the Binder method. Critical exponents of the Wilson-Fisher (magnetic) and Gross-Neveu (chiral) universality classes are measured. The model is dominated by the chiral universality class. However at weak coupling we observe a crossover between both classes, manifested by difficulties with the Binder method which otherwise works well.

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