TY - JOUR AU - Dobado González, Antonio AU - Llanes Estrada, Felipe José AU - Torres Rincón, Juan Miguel PY - 2008 SN - 0094-243X UR - https://hdl.handle.net/20.500.14352/50652 T2 - AIP Conference Proceedings. AB - 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... LA - eng M2 - 221 PB - American Institute of Physics KW - Chiral Perturbation-Theory KW - Quark-Gluon Plasma KW - Viscosity KW - Gas TI - The status of the KSS bound and its possible violations (how perfect can a fluid be?) TY - journal article VL - 1031 ER -