Physics Colloquium

"Color Superconductivity in Dense Quark Matter"

Presented by Mark Alford, Washington University

Tuesday, February 13, 2007, 3:30 pm — Large Seminar Room, Bldg. 510

The densest predicted state of matter is color-superconducting quark matter, in which quarks near the Fermi surface form a condensate of Cooper pairs. This form of matter may well exist in the core of compact stars, and the search for signatures of its presence is an ongoing enterprise. I will review the essentials of color superconductivity, then discuss how it affects the bulk viscosity of quark matter, and how the bulk viscosity of the interior of a compact star can be related, via r-modes, to the star's astronomically observable properties.

Hosted by: Michael Creutz

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