Abstract
Abstract We study the change of the meson and diquark propagators in a high density state of the two-color QCD with a Wilson fermion. Both Wilson gauge action and Iwasaki improved action are investigated. In order to explore the high density frontier of the phase space, we adopt an exact algorithm based on Woodbury formula which is quite robust but heavy. Lattice size is 43 × 8, a coupling is β = 0.70 and hopping parameter κ is 0.150 ∼ 0.175 for the Iwasaki improved action. In any case of our simulation, the vector meson only reveals strange rising up with large chemical potential[1].
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