Goldstone bosons in the color–flavor locked phase

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 NambuGoldstone 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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Superfluid and pseudo-Goldstone modes in three flavor crystalline color superconductivity

Anglani

Gatto

Ippolito

et al. 2007

Phys. Rev. D

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Goldstone bosons in the color–flavor locked phase

Abstract: We study pseudoscalar meson excitations in the color-flavor locked phase within a Nambu-Jona-Lasinio-type model by calculating diquark loops.

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Superfluid and pseudo-Goldstone modes in three flavor crystalline color superconductivity

Superfluid and pseudo-Goldstone modes in three flavor crystalline color superconductivity

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