Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-11-27
PoS Confinement8:140,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
Talk given in the 8th Conference on Quark Confinement and the Hadron Spectrum, Mainz (Germany); 5 pages
Scientific paper
At asymptotic high density and low temperature quarks form Cooper pairs in a color-flavor locked (CFL) configuration. The diquark condensates break spontaneously the baryon symmetry, and this fact makes the CFL phase also superfluid. At low temperatures the transport properties are dominated by the contribution of the superfluid phonon, the Goldstone boson associated to baryon symmetry breaking, in full analogy to what happens in superfluid He4. We discuss how to derive transport properties in the ultracold regime making use of an analogue model of gravity. We also review how this model can be used to study the scattering of phonons with quantized vortices in a rotating system. Finally, we consider the implications of these results in studying the rotational properties of compact stars made of CFL quark matter
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