THERMODYNAMICS OF SOFT WALL AdS/QCD AT FINITE CHEMICAL POTENTIAL

Abstract

We study the thermodynamics of soft wall model in AdS/QCD framework. The low temperature phase of QCD is described by thermal AdS and high temperature phase by AdS Black hole solution of five dimensional gravity with negative cosmological constant. The chemical potential is introduced via the solution of U(1) vector field in the bulk. The difference of action densities in two phases is studied and the results are compared with hard wall model. The quark number susceptibility is also calculated in both the models.

The D4/D8 Model and Holographic QCD

“…Here, we note that the formulas in the unit of M KK = 1, C a 's are constants dependent on the SU N f instanton, solution and the metric of the moduli space can be further obtained by comparing (93) with (87). For example, we have C 1,2,3 = 1 for N f = 2, and C 1,2,3 = 1, C 4,5,6,7 = 1/2, C 8 = 0 for N f = 3.…”

RG flow of AC conductivity in soft wall model of QCD

“…These models are studied further to investigate the phase structure and thermodynamics of QCD [5]. The transport properties like AC and DC conductivity and diffusion constant are also investigated in these models.…”

Study of Confinement/Deconfinement Transition in AdS/QCD with Generalized Warp Factors

“…On the other hand, AdS/QCD is analytic approach and motivated by the gauge/gravity duality [2][3][4][5]. Some properties of QCD like theories motivated by gauge/gravity duality such as confinement and chiral symmetry breaking have been studied extensively in [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] and spectrum of mesons and baryons are studied in [23,24].…”

“…The high temperature phase is charged AdS black hole while low temperature phase is thermally charged AdS geometry. The confinement/deconfinement is studied in hard wall and soft wall models in [14] and models with chemical potential are studied in [19][20][21]28].…”