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The critical line of QCD with four degenerate quarks

Cea, P. and Cosmai, L. and D'Elia, M. and Papa, A. (2010) The critical line of QCD with four degenerate quarks. Pos proceedings of science, 173 . ISSN 1824-8039

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We determine the pseudo-critical couplings at imaginary chemical potentials by high-statistics Monte Carlo simulations of QCD with four degenerate quarks at non-zero temperature and baryon density by the method of analytic continuationan. We 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 Talk presented at the XXVIII International Symposium on Lattice Field Theory, June 14-19, 2010, Villasimius, Sardinia, Italy
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: 29 Oct 2013 11:31
Last Modified: 29 Oct 2013 11:31
URI: http://eprints.adm.unipi.it/id/eprint/1554

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