Thermodynamics of a field theory with an infrared fixed point from gauge/gravity duality

Abstract

We use gauge/gravity duality to study the thermodynamics of a field theory with asymptotic freedom in the ultraviolet and a fixed point in the infrared. We find a high temperature quark-gluon phase and a low $T$ conformal unparticle phase. The phase transition between the phases is of first order or continuous, depending on the ratio of the radii of asymptotic anti--de Sitter spaces at $T=0$ and $T=\ensuremath{\infty}$. This is a prediction from a model of gauge/gravity duality, not yet verified on the field theory side.