Magnetic catalysis in the $1$-flavor Gross-Neveu model in $2+1$ dimensions
M. Mandl*, J. Lenz and A. Wipf
February 01, 2023
April 06, 2023
We investigate the Gross-Neveu model in $2+1$ dimensions in a constant and homogeneous magnetic field using one reducible flavor of overlap fermions. Our lattice simulations suggest that the magnetic catalysis phenomenon, i.e., an increase of the chiral condensate with the magnetic field, is present for all temperatures below the chiral phase transition, in accordance with predictions from mean-field and beyond-mean-field calculations.
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