Phase diagram of dense neutral three-flavor quark matter

  • We study the phase diagram of dense, locally neutral three-flavor quark matter as a function of the strange quark mass, the quark chemical potential, and the temperature, employing a general nine-parameter ansatz for the gap matrix. At zero temperature and small values of the strange quark mass, the ground state of matter corresponds to the color-flavor-locked (CFL) phase. At some critical value of the strange quark mass, this is replaced by the recently proposed gapless CFL (gCFL) phase. We also find several other phases, for instance, a metallic CFL (mCFL) phase, a so-called uSC phase where all colors of up quarks are paired, as well as the standard two-flavor color-superconducting (2SC) phase and the gapless 2SC (g2SC) phase.

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Author:Stefan Bernhard Rüster, Ihor Andrijovyč ŠovkovyjORCiDGND, Dirk-Hermann RischkeORCiDGND
Document Type:Preprint
Date of Publication (online):2007/02/26
Year of first Publication:2004
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2007/02/26
Source: ; Journal-ref: Nucl.Phys. A743 (2004) 127-146 ;10.1016/j.nuclphysa.2004.07.008
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht