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Gluonic phase versus LOFF phase in two-flavor quark matter

  • We study the gluonic phase in a two-flavor color superconductor as a function of the ratio of the gap over the chemical potential mismatch, Δ/δμ. We find that the gluonic phase resolves the chromomagnetic instability encountered in a two-flavor color superconductor for Δ/δμ<2. We also calculate approximately the free energies of the gluonic phase and the single plane-wave LOFF phase and show that the former is favored over the latter for a wide range of coupling strengths.

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Metadaten
Author:Osamu Kiriyama, Dirk H. RischkeORCiDGND, Ihor Andrijovyč ŠovkovyjORCiDGND
URN:urn:nbn:de:hebis:30:3-762335
DOI:https://doi.org/10.1016/j.physletb.2006.10.067
ISSN:0370-2693
Parent Title (English):Physics Letters B
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Date of Publication (online):2006/11/27
Date of first Publication:2006/11/27
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2023/10/06
Volume:643
Issue:6
Page Number:5
First Page:331
Last Page:335
HeBIS-PPN:513362010
Institutes:Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:10.00.00 THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29) / 11.00.00 General theory of fields and particles (see also 03.65.-w Quantum mechanics and 03.70.+k Theory of quantized fields) / 11.30.-j Symmetry and conservation laws (see also 02.20.-a Group theory) / 11.30.Qc Spontaneous and radiative symmetry breaking
10.00.00 THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29) / 12.00.00 Specific theories and interaction models; particle systematics / 12.38.-t Quantum chromodynamics; Quarks, gluons, and QCD in nuclear reactions, see 24.85.+p
20.00.00 NUCLEAR PHYSICS / 26.00.00 Nuclear astrophysics (see also 95.30.-k Fundamental aspects of astrophysics in astronomy) / 26.60.-c Nuclear matter aspects of neutron stars
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 3.0

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