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This Week at Physics

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Event Number 3035

  Friday, November 15th, 2013

Physics Department Colloquium
Viscosity, Quark Gluon Plasma, and String Theory
Time: 3:30 pm
Place: 2241 Chamberlin Hall (coffee at 4:30 pm)
Speaker: Dam Son, University of Chicago
Abstract: Viscosity is a very old concept which was introduced to physics by Navier in the 19th century. However, in strongly coupled systems, viscosity is difficult to compute from first principle. In this talk I will describe some recent surprising developments in string theory which allow one to compute the viscosity for a class of strongly interacting quantum fluids not too dissimilar to the quark gluon plasma. The approach has lead to a new understanding of the effects of quantum anomalies in relativistic fluid dynamics. I will describe efforts to measure the viscosity and other physical properties of the quark gluon plasma created in relativistic heavy ion collisions.
Host: Hashimoto
Poster: http://www.physics.wisc.edu/twap/posters/2013/3035.pdf
Video: http://www.physics.wisc.edu/vod/2013/11/15.html
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