Sigma and Hydrodynamic Modes near the Critical End Point(Proceedings of the YITP Workshop on Nuclear Matter under Extreme Conditions)

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概要

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• We study soft modes near the critical end point in the chiral quark model. At this point the order parameter becomes a linear combination of the scalar condensate and the conserved densities, and all the susceptibilities diverge. Studying the spectral function and the poles of the scalar response function, we find that the particle-hole mode causes the critical divergence, which is consistent with the fact that the susceptibility of a conserved quantity contains the hydrodynamic spectrum alone.

• 理論物理学刊行会の論文
• 2004-12-28

著者

• Ohtani Munehisa

  Radiation Laboratory Riken

• Fujii Hirotsugu

  Institute Of Physics The University Of Tokyo

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• Sigma and Hydrodynamic Modes near the Critical End Point(Proceedings of the YITP Workshop on Nuclear Matter under Extreme Conditions)

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