Gravitational waves from holographic QCD phase transition with gluon condensate

Understand

In this paper, we discuss the holographic first order QCD phase transition with gluon condensate and the generation of gravitational waves (GWs) from the phase transition.

• The first order QCD phase transition is dual to the first order Hawking-Page phase transition from holography.
• We study the first order Hawking-Page phase transition from the thermal dilatonic phase to the dilatonic black hole phase and find the phase transition temperature is proportional to the gluon condensate.
• After substituting into the phenomenological value of gluon condensate from QCD sum rules, we find $T_c=155.38\ MeV$.