Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-10-22
Acta Phys.Polon.Supp.3:621-630,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, Lecture given at "Three Days of Strong Interactions", Wroclaw (Poland) 9. - 11. VII. 2009
Scientific paper
Some results about dissipative processes in superfluids are presented. We focus on fermionic superfluidity and restrict our analysis to the contribution of phonons to bulk viscosity, shear viscosity and thermal conductivity. At sufficiently low temperatures phonons give the dominant contribution to the transport coefficients if all the other low energy excitation of the system are gapped. We first consider a system of cold fermionic atoms close to the unitarity limit. Then we turn to the superfluid phase of quark matter that may be realized at high baryonic density.
Mannarelli Massimo
Manuel Cristina
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