Basic theory and some applications concerning the ratio of shear viscosity to entropy density in dense fluids

Authors: March, N. H.¹; Angilella, G. G. N.²

Source: Physics and Chemistry of Liquids, Volume 47, Number 3, June 2009 , pp. 344-348(5)

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Abstract:

Much interest continues relating to the conjecture from string theory of an inequality satisfied by the ratio η/s in dense fluids, where η is the shear viscosity and s the entropy density. First, we summarise the models which have prompted the proposal of the inequality. Second, we consider a model equation of state which may be appropriate for the dense fluids NH3 and H2O, both of which satisfy the inequality.

Keywords: dense fluids; equation of state; string theory

Document Type: Research article

DOI: http://dx.doi.org/10.1080/00319100902822703

Affiliations: 1: Oxford University, Oxford, UK,Department of Physics, University of Antwerp, B-2020 Antwerp, Belgium 2: Dipartimento di Fisica e Astronomia, Universita di Catania, and CNISM, I-95123 Catania, Italy

Publication date: 2009-06-01