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Two-flavor lattice QCD study of the axial charges of N(1535) and N(1650)
Toru T. Takahashi, Teiji Kunihiro
We show the first lattice QCD results on the axial charges of and . The measurements are performed with two flavors of dynamical quarks employ…
Meson aka and Kobayashi-Maskawa-'t Hooft Six-quark Vertex -- Anomaly and Generalized Nambu-Jona-Lasinio Model --
Teiji Kunihiro
In 1970, Kobayashi and Maskawa concluded that an effective six-quark vertex with a determinantal form is necessary in the chiral effective models to account for the large mass of $…
Toward Identifying the QCD Critical Point: attenuation of the sound mode around the critical point
Teiji Kunihiro, Yuki Minami
Motivated by the fact that QCD critical point (CP) belongs to the same universality class as the liquid-gas transition, the dynamical density fluctuations around the CP is analyzed…
Critical Opalescence around the QCD Critical Point and Second-order Relativistic Hydrodynamic Equations Compatible with Boltzmann Equation
Teiji Kunihiro, Yuki Minami, Kyosuke Tsumura
The dynamical density fluctuations around QCD critical point (CP) are analyzed using relativistic dissipative fluid dynamics, and we show that the sound mode around the QCD CP is s…
Second-order Relativistic Hydrodynamic Equations for Viscous Systems; how does the dissipation affect the internal energy?
Kyosuke Tsumura, Teiji Kunihiro
We derive the second-order dissipative relativistic hydrodynamic equations in a generic frame with a continuous parameter from the relativistic Boltzmann equation. We present expli…
Vector interaction, charge neutrality and multiple chiral critical point structures
Zhao Zhang, Teiji Kunihiro
We investigate the combined effect of the repulsive vector interaction and the positive electric chemical potential on the chiral phase transition by considering neutral color supe…