Superfluid and Pseudo-Goldstone Modes in Three Flavor Crystalline Color Superconductivity

Details Superfluid and Pseudo-Goldstone Modes in Three Flavor Crystalline Color Superconductivity Superfluid and Pseudo-Goldstone Modes in Three Flavor Crystalline Color Superconductivity

2007-06-13

arxiv.org/abs/0706.1781v2

Phys.Rev.D76:054007,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, RevTeX4 class. Section IIIA enlarged, to appear on Phys. Rev. D

Scientific paper

10.1103/PhysRevD.76.054007

We study the bosonic excitations in the favorite cubic three flavor crystalline LOFF phases of QCD. We calculate in the Ginzburg-Landau approximation the masses of the eight pseudo Nambu-Goldstone Bosons (NGB) present in the low energy theory. We also compute the decay constants of the massless NGB Goldstones associated to superfluidity as well as those of the eight pseudo NGB. Differently from the corresponding situation in the Color-Flavor-Locking phase, we find that meson condensation phases are not expected in the present scenario.

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