Global Strings in High Density QCD

Details Global Strings in High Density QCD Global Strings in High Density QCD

2001-09-19

arxiv.org/abs/hep-ph/0109173v1

Phys.Rev. D65 (2002) 085009

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX JHEP-format (26 pages) Option in source for REVTeX4 format

Scientific paper

10.1103/PhysRevD.65.085009

We show that several types of global strings occur in colour superconducting quark matter due to the spontaneous violation of relevant U(1) symmetries. These include the baryon U(1)_B, and approximate axial U(1)_A symmetries as well as an approximate U(1)_S arising from kaon condensation. We discuss some general properties of these strings and their interactions. In particular, we demonstrate that the U(1)_A strings behave as superconducting strings. We draw some parallels between these strings and global cosmological strings and discuss some possible implications of these strings to the physics in neutron star cores.

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