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Titolo:
Debye screening and the Meissner effect in a three-flavor color superconductor - art. no. 054017
Autore:
Rischke, DH;
Indirizzi:
Brookhaven Natl Lab, BNL Res Ctr, RIKEN, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 es Ctr, RIKEN, Upton, NY 11973 USA
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 5, volume: 6205, anno: 2000,
pagine: 4017 -
SICI:
0556-2821(20000901)6205:5<4017:DSATME>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
FINITE BARYON DENSITY; QUARK MATTER; QCD; SUPERFLUIDITY; INSTANTONS; LOCKING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
78
Recensione:
Indirizzi per estratti:
Indirizzo: Rischke, DH Brookhaven Natl Lab, BNL Res Ctr, RIKEN, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 N, Upton, NY 11973 USA
Citazione:
D.H. Rischke, "Debye screening and the Meissner effect in a three-flavor color superconductor - art. no. 054017", PHYS REV D, 6205(5), 2000, pp. 4017

Abstract

I compute the gluon self-energy in a color superconductor with three flavors of massless quarks, where condensation of Cooper pairs breaks the color and flavor SU(3)(c) x U(3)(V) x U(3)(A) symmetry of QCD to the diagonal subgroup SU(3)(c+V). At zero temperature, all eight electric gluons obtain a Debye screening mass, and all eight magnetic gluons a Meissner mass. The Debye as well as the Meissner masses are found to he equal for the different gluon colors. These masses determine the coefficients of the kinetic terms in the effective theory for the low-energy degrees of freedom. Their values agree with those obtained by Son and Stephanov.

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Documento generato il 14/07/20 alle ore 18:31:55