Ginzburg-Landau Approach to Color Superconductivity (Analytic approaches)

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概要

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• We study, within Ginzburg-Landau theory, the equilibrium properties of a color super-conductor of three-flavor massless quarks near the transition temperature. We first draw the phase diagram in the space of the parameters controlling the thermodynamic-potential terms of fourth order in the pairing gap. Within the color and flavor antitriplet channel with zero total angular momentum, the phase diagram contains the color-flavor locked and two-flavor pairing phases ; the limit of weak coupling is included in the color-flavor locked phase. The responses of the color-flavor locked and two-flavor condensates to external magnetic fields and rotation are then investigated by calculating the induced supercurrents. In equilibrium, rotation can produce vortices only in the color-flavor locked condensate. We finally discuss the effects of fluctuations in gauge fields and order parameters on the finite temperature phase transition.

• 理論物理学刊行会の論文
• 2004-05-31

著者

• HATSUDA Tetsuo

  Department of Physics, University of Tokyo

• Baym G

  Department Of Physics University Of Illinois At Urbana-champaign

• Baym Gordon

  Department Of Physics University Of Illinois

• Hatsuda Tetsuo

  Department Of Physics University Of Tokyo

• Iida Kei

  The Institute Of The Physical And Chemical Research (riken)

• Iida Kei

  The Institute Of Physical And Chemical Research (riken)

• Hatsuda Tetsuo

  Department Of Physics Kyoto University

• Matsuura Taeko

  Department Of Physics University Of Tokyo

• BAYM Gordon

  Loomis Laboratory of Physics, University of Illinois

• BAYM Gordon

  Department of Physics, University of Illinois at Urbana-Champaign

• IIDA Kei

  Department of Physics,University of Tokyo

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