2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/200746We propose a lower bound on bulk viscosity of strongly coupled gauge theory plasmas. Using explicit example of the N=2^* gauge theory plasma we show that the bulk viscosity remains finite at a critical point with a divergent specific heat. We present an estimate for the bulk viscosity of QGP plasma at RHIC.5 pages, 4 figuresHigh Energy Physics - Theorytext