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The critical line from imaginary to real baryonic chemical potentials in two-color QCD

Cea, Paolo and Cosmai, Leonardo and D'Elia, Massimo and Papa, Alessandro (2008) The critical line from imaginary to real baryonic chemical potentials in two-color QCD. Physical review. D, Particles, fields, gravitation, and cosmology, 77 . 051501. ISSN 1550-7998

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Abstract

The method of analytic continuation from imaginary to real chemical potentials $\mu$ is one of the few available techniques to study QCD at finite temperature and baryon density. One of its most appealing applications is the determination of the critical line for small $\mu$: we perform a direct test of the validity of the method in this case by studying two-color QCD, where the sign problem is absent. The (pseudo)critical line is found to be analytic around $\mu^2 = 0$, but a very large precision would be needed at imaginary $\mu$ to correctly predict the location of the critical line at real $\mu$.

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: 16 Dec 2013 13:56
Last Modified: 16 Dec 2013 13:56
URI: http://eprints.adm.unipi.it/id/eprint/1543

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