Vacuum State of Lattice Gauge Theory with Fermions in 2+1 Dimensions
  We investigate the vacuum state of the lattice gauge theory with fermions in 2+1 dimensions. The vacuum in the Hermite form for the fermion part is obtained; the vacuum in the unitary form has been proposed by Luo and Chen. It is shown that the Hermite vacuum has a lower energy than the unitary one through the variational method. 
Hideyuki Abe