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Titolo:
Asymptotic deconfinement in high-density QCD - art. no. 062001
Autore:
Rischke, DH; Son, DT; Stephanov, MA;
Indirizzi:
Brookhaven Natl Lab, Nucl Theory Grp, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 cl Theory Grp, Upton, NY 11973 USA Columbia Univ, Dept Phys, New York, NY 10027 USA Columbia Univ New York NY USA 10027 iv, Dept Phys, New York, NY 10027 USA Univ Illinois, Dept Phys, Chicago, IL 60607 USA Univ Illinois Chicago IL USA 60607 nois, Dept Phys, Chicago, IL 60607 USA Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 N BNL Res Ctr, Upton, NY 11973 USA
Titolo Testata:
PHYSICAL REVIEW LETTERS
fascicolo: 6, volume: 8706, anno: 2001,
pagine: 2001 -
SICI:
0031-9007(20010806)8706:6<2001:ADIHQ->2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
COLOR-FLAVOR-LOCKING; LATTICE GAUGE-THEORY; QUARK MATTER; BARYON DENSITY; SUPERCONDUCTIVITY; TEMPERATURE; PHASE; LIMIT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Rischke, DH Brookhaven Natl Lab, Nucl Theory Grp, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 p, Upton, NY 11973 USA
Citazione:
D.H. Rischke et al., "Asymptotic deconfinement in high-density QCD - art. no. 062001", PHYS REV L, 8706(6), 2001, pp. 2001

Abstract

We discuss QCD with two light flavors at large baryon chemical potential A. Color superconductivity leads to partial breaking of the color SU(3) group. We show that the infrared physics is governed by the gluodynamics of theremaining SU(2) group with an exponentially soft confinement scale Lambda'(QCD) similar to Delta exp[- a mu/(g Delta)], where Delta << mu is the superconducting gap, g is the strong coupling, and a = 2 root2 pi /11. We estimate that, at moderate baryon densities, Lambda'(QCD) is O(10 MeV) or smaller. The confinement radius increases exponentially with density, leading to "asymptotic deconfinement. " The velocity of the SU(2) gluons is small due to the large dielectric constant of the medium.

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Documento generato il 14/07/20 alle ore 19:45:03