The status of the KSS bound and its possible violations (how perfect can a fluid be?)

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Dobado González, Antonio and Llanes Estrada, Felipe José and Torres Rincón, Juan M. (2008) The status of the KSS bound and its possible violations (how perfect can a fluid be?). AIP Conference Proceedings., 1031 . pp. 221-231. ISSN 0094-243X

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Official URL: http://dx.doi.org/10.1063/1.2972009

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Abstract

In this work we briefly review the Kovtun-Son-Starinet (KSS) computation of the ratio eta/s for quantum field theories with gravitational dual and the related conjecture that it is bound from below by 1/4 pi. We discuss the validity of the bound and the nature of its possible violations, its relevance for RHIC, its connection with phase transitions and other related issues.

Item Type:	Article
Additional Information:	© 2008 American Institute of Physics. Conference on Ten Years of AdS/CFT (2007. Buenos Aires, Argentina). This work has been partially supported by the DGICYT (Spain) under grants FPA 2004- 02602 and FPA 2005-02327 and by the Universidad Complutense/CAM, project number 910309 and BSCH-PR34/07-15875. A. D. thanks José Edelstein and the organization for their kind invitation to participate in this celebration of the tenth anniversary of the discovery of the AdS/CFT correspondence held at such a great place as Buenos Aires, and Alex Buchel and Juan Maldacena for useful comments.
Uncontrolled Keywords:	Chiral Perturbation-Theory, Quark-Gluon Plasma, Viscosity, Gas
Subjects:	Sciences > Physics
ID Code:	21463
Deposited On:	18 Jun 2013 12:45
Last Modified:	31 Dec 2020 00:01

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