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Titolo:
Debye screening and the Meissner effect in a two-flavor color superconductor - art. no. 034007
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: 3, volume: 6203, anno: 2000,
pagine: 4007 -
SICI:
0556-2821(20000801)6203:3<4007:DSATME>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
DENSITY QUARK MATTER; FINITE BARYON DENSITY; SUPERFLUIDITY; SYSTEMS; QCD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
34
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 two-flavor color superconductor - art. no. 034007", PHYS REV D, 6203(3), 2000, pp. 4007

Abstract

I compute the gluon self-energy in a color superconductor with two flavorsof massless quarks, where condensation of Cooper pairs breaks SU(3)(c) to SU(2)(c). At zero temperature, there is neither Debye screening nor a Meissner effect for the three gluons of the unbroken SU(2)(c) subgroup. The remaining five gluons attain an electric as well as a magnetic mass. For temperatures approaching the critical temperature for the onset of color superconductivity, or for gluon momenta much larger than the color-superconducting gap, the self-energy assumes the form given by the standard hard-dense loopapproximation. The gluon self-energy determines the coefficient of the kinetic term in the effective low-energy theory for the condensate fields.

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Documento generato il 12/07/20 alle ore 06:30:29