The third family of compact stars with the color-flavor locked quark core
نویسندگان
چکیده
منابع مشابه
Color Flavor Locked Quark matter properties
Quark matter at its highest densities; is expected to become a color superconductor and transition to a phase called color flavor locking (CFL)[1]. Because of asymptotic freedom, the theory becomes weaker at high densities [1] and some kind of superconductivity can be expected[2]. At the CFL phase it behaves as a superfluid[3]and has Chiral Symmetry breaking[1]. Possible observations or experim...
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We study compact stars that contain quark matter. We look at the effect of color superconductivity in the quark matter on the nuclear-quark matter transition density, mass-radius relationship, and the density discontinuity at the boundary between nuclear and quark matter. We find that color superconducting quark matter will occur in compact stars at values of the bag constant where ordinary qua...
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At large baryon density, quantum chromodynamics (QCD) becomes a weakly interacting theory of quarks and gluons [ 1]. Because of an attractive interaction between quarks, the ground state of such quark matter is a color superconductor [ 2, 3, 4]. At asymptotic densities, quark matter was studied from first principles in Refs. [ 5, 6, 7, 8]. Unfortunately, these studies are not very reliable quan...
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Matter just above nuclear density presents special challenges, both observational and theoretical. It is the densest state of which we have evidence in nature, but in terrestrial laboratories it can only be produced fleetingly and at high temperature over small volumes. We must therefore rely on astrophysical observations of compact stars to gather more indirect experimental information. Theore...
متن کاملMutual friction in a cold color-flavor-locked superfluid and r-mode instabilities in compact stars.
Dissipative processes acting in rotating neutron stars are essential in preventing the growth of the r-mode instability. We estimate the damping time of r modes of a hypothetical compact quark star made up by color-flavor-locked quark matter at a temperature T < or approximately 0.01 MeV. The dissipation that we consider is due to the mutual friction force between the normal and the superfluid ...
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ژورنال
عنوان ژورنال: Chinese Science Bulletin
سال: 2013
ISSN: 1001-6538,1861-9541
DOI: 10.1007/s11434-013-5983-z