Studies on the Chiral Order Parameter in the Schwinger Model
Jen-Fa Min, Huei-Shih Liao
Abstract
Based on an analytical technique using a unitary transformation and the variational method, we study the chiral order parameter in the Schwinger model in the lattice formalism with Kogut-Susskind fermions. The fermion condensate Ψ Ψ for any coupling constant and fermion mass are calculated. Chiral symmetry is shown to be broken in the massless limit and good scaling behavior is obtained.
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