Single color and single flavor color superconductivity

Details Single color and single flavor color superconductivity Single color and single flavor color superconductivity

2002-10-07

arxiv.org/abs/hep-ph/0210106v1

Phys.Rev. D67 (2003) 054018

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, LaTeX

Scientific paper

10.1103/PhysRevD.67.054018

We survey the non-locked color-flavor-spin channels for quark-quark (color superconducting) condensates in QCD, using an NJL model. We also study isotropic quark-antiquark (mesonic) condensates. We make mean-field estimates of the strength and sign of the self-interaction of each condensate, using four-fermion interaction vertices based on known QCD interactions. For the attractive quark pairing channels, we solve the mean-field gap equations to obtain the size of the gap as a function of quark density. We also calculate the dispersion relations for the quasiquarks, in order to see how fully gapped the spectrum of fermionic excitations will be. We use our results to specify the likely pairing patterns in neutral quark matter, and comment on possible phenomenological consequences.

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