Vortons in dense quark matter

Details Vortons in dense quark matter Vortons in dense quark matter

2011-02-23

arxiv.org/abs/1102.4795v2

Phys.Rev.D84:023006,2011

Physics

Nuclear Physics

Nuclear Theory

12 pages, 6 figures

Scientific paper

10.1103/PhysRevD.84.023006

At large baryon number density, it is likely that the ground state of QCD is a color-flavor-locked phase with a K0 condensate. The CFL+K0 phase is known to support superconducting vortex strings, and it has been previously suggested that it may also support vortons, which are superconducting vortex rings. We reexamine the question of the stability of vortons, taking into account electromagnetic effects, which make leading-order contributions to vorton dynamics but were not investigated in previous work. We find that current-carrying and electrically charged vortons can be stabilized either by their angular momentum, by Coulomb repulsion, or by a combination of both effects.

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