Black-hole quasinormal modes and scalar glueballs in a finite-temperature AdS/QCD model

Understand

We use the holographic AdS/QCD soft-wall model to investigate the spectrum of scalar glueballs in a finite temperature plasma.

• In this model, glueballs are described by a massless scalar field in an AdS_5 black hole with a dilaton soft-wall background.
• Using AdS/CFT prescriptions, we compute the boundary retarded Green's function.
• The corresponding thermal spectral function shows quasiparticle peaks at low temperatures.