C and P violations in the PNJL model (熱場の量子論とその応用)

概要

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Using the PNJL model, we investigate C and P violations when θ=π and Θ=μ/(iT)=π/3, where T, θ and μ are the temperature, the parameter of θ-vacuum and the quark number chemical potential, respectively. There is no region of T where both P and C are preserved. It is also shown that the C violation and the P restoration happen almost simultaneously at θ=π and Θ=π/3, if the deconfinement and the chiral symmetry restoration happen almost simultaneously at θ=Θ=0.
素粒子論グループ素粒子論研究編集部の論文
2011-02-20