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The phase diagram of QCD with four degenerate quarks

Cea, Paolo and Cosmai, Leonardo and D'Elia, Massimo and Papa, Alessandro (2010) The phase diagram of QCD with four degenerate quarks. arXiv .

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We revisit the determination of the pseudo-critical line of QCD with four degenerate quarks at non-zero temperature and baryon density by the method of analytic continuation. We determine the pseudo-critical couplings at imaginary chemical potentials by high-statistics Monte Carlo simulations and reveal deviations from the simple quadratic dependence on the chemical potential visible in earlier works on the same subject. Finally, we discuss the implications of our findings for the shape of the pseudo-critical line at real chemical potential, comparing different possible extrapolations.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 19 Nov 2013 16:13
Last Modified: 19 Nov 2013 16:13
URI: http://eprints.adm.unipi.it/id/eprint/1548

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