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Behaviour of the topological susceptibility in two colour QCD across the finite density transition

Alles, B. and D'Elia, M. and Lombardo, M. P. (2006) Behaviour of the topological susceptibility in two colour QCD across the finite density transition. Nuclear Physics B - Proceedings Supplements, 752 (1-2). pp. 124-129. ISSN 1873-3832

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Abstract

SUMMARY The behaviour of the topological susceptibility \chi in QCD with two colours and 8 flavours of quarks is studied at nonzero temperature on the lattice across the finite density transition. It is shown that the signal of \chi drops abruptly at a critical chemical potential \mu_c, much as it happens at the finite temperature and zero density transition. The Polyakov loop and the chiral condensate undergo their transitions at the same critical value \mu_c. At a value \mu_s of the chemical potential, called saturation point, which in our case satisfies \mu_s > \mu_c, Pauli blocking supervenes and consequently the theory becomes quenched.

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: 09 Aug 2013 10:37
Last Modified: 09 Aug 2013 10:37
URI: http://eprints.adm.unipi.it/id/eprint/1575

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