The Effect of Quark Mass and α-α Term on qq Condensation in QCD Vacuum

摘要

Beginning with the QCD Lagrangian in the global color symmetry model, we have derived a Hamiltonian including the lowest order current-current coupling. Taking instantaneous quadratic interaction kernel and using the Bogoliubo-Valatin transformation, we have got an effective Hamiltonian for computation. This Hamiltonian is similar To that introduced by Le Yaouanc et al., except that the α-α term has been considered here. We calculated the qq Condensation in the BCS type of vacuum with quark mass and α-α term included. Our calculation shows that the value Of qq condensation has increased by at least 10 /100 with the α-α term included.