Gapless two-flavor color superconductor

Preprint

22 April 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/0302142

Abstract

A new, gapless two-flavor color superconducting phase that appears under conditions of local charge neutrality and $\beta$-equilibrium is revealed. In this phase, the symmetry of the ground state is the same as in the conventional two-flavor color superconductor. In the low-energy spectrum of this phase, however, there are only two gapped fermionic quasiparticles, and the other four quasiparticles are gapless. The origin and the basic properties of the gapless two-flavor color superconductor are discussed. This phase is a natural candidate for quark matter in cores of compact stars.

Keywords

FLAVOR COLOR SUPERCONDUCTOR
GAPLESS TWO FLAVOR
BASIC PROPERTIES
SUPERCONDUCTOR

All Related Versions

Version 1, 2003-02-17, ArXiv
Version 2, 2003-02-25, ArXiv
Version 3, 2003-04-22, ArXiv
Published version: Physics Letters B, 564 (3-4), 205.

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