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Title: Nonuniform phases in the ’t Hooft extended Nambu–Jona-Lasinio model

The phase diagram of cold dense quark matter is studied using the ’t Hooft extended Nambu-Jona–Lasinio Model applied to the light quark sector with a finite current mass for the strange quark (up and down are considered in the chiral limit). By relaxing the traditional uniformity assumptions and considering a modulated light quark condensate background we investigate the possible existence of non-uniform phases in this region of the phase diagram. The effects of changes in the coupling strengths of the model are studied and it is shown that the inclusion of flavour mixing combined with the finite current mass of the strange quark catalyses the appearance of the non-uniform phases, extending the domain for their existence.
Authors:
; ;  [1] ;  [1] ;  [2]
  1. Centro de Física Computacional, Departamento de Física da Universidade de Coimbra, 3004-516 Coimbra (Portugal)
  2. (Russian Federation)
Publication Date:
OSTI Identifier:
22499085
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1701; Journal Issue: 1; Conference: 11. conference on quark confinement and hadron spectrum, Saint Petersburg (Russian Federation), 8-12 Sep 2014; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; CHIRALITY; CONDENSATES; COUPLING; CURRENTS; D QUARKS; FLAVOR MODEL; MASS; PHASE DIAGRAMS; QUARK MATTER; S QUARKS; U QUARKS