Behavior of the topological susceptibility at finite T and $μ$ and signs of restoration of chiral symmetries

Details Behavior of the topological susceptibility at finite T and $μ$ and signs of restoration of chiral symmetries Behavior of the topological susceptibility at finite T and $μ$ and signs of restoration of chiral symmetries

2006-10-17

arxiv.org/abs/hep-ph/0610215v1

Eur.Phys.J.A31:766-768,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the IVth International Conference on Quarks and Nuclear Physics (QNP06), Madrid, 5-10 June 2006

Scientific paper

10.1140/epja/i2006-10238-x

We investigate the possible restoration of chiral and axial symmetries across the phase transition at finite temperature and chemical potential, by analyzing the behavior of several physics quantities, such as the quark condensates and the topological susceptibility, the respective derivatives in order to chemical potential, and the masses of meson chiral partners. We discuss whether only chiral symmetry or both chiral and axial symmetries are restored and what is the role of the strange quark. The results are compared with recent lattice results.

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