(Non)-perturbative properties of high-T QCD from lattice ... - Physics
(Non)-perturbative properties of high-T QCD from lattice ... - Physics
(Non)-perturbative properties of high-T QCD from lattice ... - Physics
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F. Karsch, x<strong>QCD</strong>, July 2008 – p. 27/32Quartic fluctuations <strong>of</strong> baryon numbercharge & strangeness in (2+1)-flavor <strong>QCD</strong>vanishing chemical potentials:12108642T[MeV]0150 200 250 300 350 400 450χ 4Bχ 4Qχ 4Sfull: N t =4open: N t =6SBRBC-Bielefeld, preliminaryχ Q 4 = 1V T 3 (〈Q 4 〉 − 3〈Q 2 〉 2)χ B 4 = 1V T 3 (〈N4B 〉 − 3〈N2 B 〉2)χ S 4 = 1V T 3 (〈N4S 〉 − 3〈N2 S 〉2)rapid approach to SB limit⇒ large light quark number & charge fluctuations across transition regionchiral limit: χ B 4 , χQ 4 ∼ |T − T c| −α + regular
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