Chiral symmetry restoration from the hadronic regime
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2017
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E D P Sciences
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Abstract
We discuss recent advances on QCD chiral symmetry restoration at finite temperature, within the theoretical framework of Effective Theories. U(3) Ward Identities are derived between pseudoscalar susceptibilities and quark condensates, allowing to explain the behaviour of lattice meson screening masses. Unitarized interactions and the generated f₀(500) thermal state are showed to play an essential role in the description of the transition through the scalar susceptibility.
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© The Authors, published by EDP Sciences.
Conference on Quark Confinement and the Hadron Spectrum (12. 2016.Tesalónica, Grecia).
Work partially supported by the Spanish Research contracts FPA2014-53375-C2-2-P and FIS2014-57026-REDT. J.R.E. gratefully acknowledges financial support by the DFG (SFB/TR 16, “Subnuclear Structure of Matter”) and the Swiss National Science Foundation. S.C. thanks Prof. J.R. Roldán, the High Energy Physics group of Universidad de los Andes and COLCIENCIAS for financial support.