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130 papers
Enhancement of dilepton production rate and electric conductivity around QCD critical point
Toru Nishimura, Masakiyo Kitazawa, Teiji Kunihiro
We investigate whether the soft mode that becomes massless at the QCD critical point (CP) causes an enhancement of the dilepton production rate (DPR) and the electric conductivity…
Anomalous enhancement of dilepton production due to soft modes in dense quark matter
Toru Nishimura, Masakiyo Kitazawa, Teiji Kunihiro
We explore how the dilepton production rate is modified near the critical temperature of color superconductivity and QCD critical point by the soft modes inherently associated with…
Entropy production in longitudinally expanding Yang-Mills field with use of Husimi functionsemiclassical approximation
Hidefumi Matsuda, Teiji Kunihiro, Akira Ohnishi +1
We investigate the possible thermalization process of the highly occupied and weakly coupled Yang-Mills fields expanding along the beam axis through an evaluation of the entropy, p…
Anomalous enhancement of dilepton production as a precursor of color superconductivity
Toru Nishimura, Masakiyo Kitazawa, Teiji Kunihiro
We compute the modification of the photon self-energy due to dynamical diquark fluctuations developed near the critical temperature of the color superconductivity through the Aslam…
Dilepton production rate near the critical temperature of color superconductivity
Toru Nishimura, Masakiyo Kitazawa, Teiji Kunihiro
We investigate modification of the dilepton production rate by the diquark fluctuations that form well-developed collective modes near the critical temperature of color superconduc…
Microscopic derivation of density functional theory for superfluid systems based on effective action formalism
Takeru Yokota, Haruki Kasuya, Kenichi Yoshida +1
Density-functional theory for superfluid systems is developed in the framework of the functional renormalization group based on the effective action formalism. We introduce the eff…