Light plasmon mode in the CFL phase

Details Light plasmon mode in the CFL phase Light plasmon mode in the CFL phase

2006-11-10

arxiv.org/abs/hep-ph/0611140v1

AIPConf.Proc.892:488-491,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, Talk given by H. Malekzadeh, to appear in the proceedings of the conference "Quark Confinement and the Had

Scientific paper

10.1063/1.2714450

The self-energies and the spectral densities of longitudinal and transverse gluons at zero temperature in the color-flavor-locked (CFL) phase are calculated. There appears a collective excitation, a light plasmon, at energies smaller than two times the gap parameter and momenta smaller than about eight times the gap. The minimum in the dispersion relation of this mode at some nonzero value of momentum corresponds to the van Hove singularity.

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