Density dependence of quark masses and stability of color-flavor locked phases

Journal Article · Thu Sep 01 04:00:00 EDT 2005 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PhysRevD.72.054021· OSTI ID:20711451

Xiaobing, Zhang; Xueqian, Li ^[1]

---

1. Department of Physics, Nankai University, Tianjin 300071 (China)

Considering the density dependence of quark masses, we investigate the color-flavor-locked matter and its stability relative to (unpaired) strange quark matter. We find that, when the current mass of strange quark m{sub s} is small, the strange quark matter remains stable for moderate baryon densities. When m{sub s} is large, the gapless phase of the color-flavor-locked matter is found to be difficult to be stable. A schematic phase diagram of three-flavor quark matter is presented, in which the color-flavor-locked phase region is suppressed in comparison with the previous results.

• OSTI ID: 20711451
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 5 Vol. 72; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
COLOR MODEL
COMPARATIVE EVALUATIONS
DENSITY
FLAVOR MODEL
PHASE DIAGRAMS
QUARK MATTER
REST MASS
S QUARKS
STABILITY