Holographic QCD in medium: a bottom up approach

Abstract

A holographic dual of hadrons at finite density is considered. We use the zero black-hole mass limit of Reisner-Nordstrom (RN) AdS background with hard wall to describe a confining background with finite quark density. We calculate density-dependence of meson masses and decay constants. In our model, pion decay constant and its velocity go down but all the meson masses go up as density grows. We also shows that there is a phase transition at 3 times of normal nuclear density, where deconfinement and chiral restoration transition happen simultaneously.