1-2-3-flavor color superconductivity in compact stars
| dc.creator | Blaschke, David | |
| dc.creator | Sandin, Fredrik | |
| dc.creator | Klahn, Thomas | |
| dc.date | 2008-08-01 | |
| dc.date.accessioned | 2026-07-07T11:45:17Z | |
| dc.date.available | 2026-07-07T11:45:17Z | |
| dc.description | We suggest a scenario where the three light quark flavors are sequentially deconfined under increasing pressure in cold asymmetric nuclear matter, e.g., as in neutron stars. The basis for our analysis is a chiral quark matter model of Nambu--Jona-Lasinio (NJL) type with diquark pairing in the spin-1 single flavor (CSL) and spin-0 two/three flavor (2SC/CFL) channels, and a Dirac-Brueckner Hartree-Fock (DBHF) approach in the nuclear matter sector. We find that nucleon dissociation sets in at about the saturation density, n_0, when the down-quark Fermi sea is populated (d-quark dripline) due to the flavor asymmetry imposed by beta-equilibrium and charge neutrality. At about 3n_0 u-quarks appear forming a two-flavor color superconducting (2SC) phase, while the s-quark Fermi sea is populated only at still higher baryon density. The hybrid star sequence has a maximum mass of 2.1 M_sun. Two- and three-flavor quark matter phases are found only in gravitationally unstable hybrid star solutions. | |
| dc.description | 4 pages, 2 figures, to appear in the proceedings of Quark Matter 2008: 20th International Conference on Ultra-Relativistic Nucleus Nucleus Collisions (QM 2008), Jaipur, India, 4-10 Feb 2008 | |
| dc.identifier | https://arxiv.org/abs/0808.0181 | |
| dc.identifier | http://arxiv.org/abs/0808.0181 | |
| dc.identifier | J.Phys.G35:104077,2008 | |
| dc.identifier | doi:10.1088/0954-3899/35/10/104077 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/201828 | |
| dc.subject | Nuclear Theory | |
| dc.title | 1-2-3-flavor color superconductivity in compact stars | |
| dc.type | text |