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hep-ph2010★ 3 cited
Shear Viscosity in Weakly Coupled N-Component Scalar Field Theories
Jiunn-Wei Chen, Mei Huang, Chang-Tse Hsieh +1
The rich phenomena of the shear viscosity (eta) to entropy density (s) ratio, eta/s, in weakly coupled N-component scalar field theories are studied. eta/s can have a "double dip"…
hep-ph2010★ 14 cited
Minimum Shear Viscosity over Entropy Density at Phase Transition? --- A Counterexample
Jiunn-Wei Chen, Chang-Tse Hsieh, Han-Hsin Lin
The ratio eta/s, shear viscosity (eta) to entropy density (s), reaches its local minimum at the (second order) phase transition temperature in a wide class of systems. It was suspe…