Transport coefficients, in particular the shear viscosity to entropy density ratio are studied in systems where the small-width quasiparticle assumption is not valid. It is found that ν/s has no universal lower bound, the minimal value depends on the system and the temperature, and can be even zero. We construct models where the 1/4π conjectured bound is violated.
|Journal||EPJ Web of Conferences|
|Publication status||Published - 2012|
|Event||International Workshop on Hot and Cold Baryonic Matter, HCBM 2010 - Budapest, Hungary|
Duration: Aug 15 2010 → Aug 20 2010
ASJC Scopus subject areas
- Physics and Astronomy(all)