The Baryonic Phase in Holographic Descriptions of the QCD Phase Diagram

Abstract

We study holographic models of the QCD temperature-chemical potential phase diagram based on the D3/D7 system with chiral symmetry breaking. The baryonic phase may be included through linked D5-D7 systems. In a previous analysis of a model with a running gauge coupling a baryonic phase was shown to exist to arbitrarily large chemical potential. Here we explore this phase in a more generic phenomenological setting with a step function dilaton profile. The change in dilaton generates a linear confining $\bar{q}q$ potential and opposes the screening effect of temperature. We show that the persistence of the baryonic phase depends on the step size and that QCD-like phase diagrams can be described. The baryonic phase's existence is qualitatively linked to the existence of confinement in Wilson loop computations in the background.

21 pages, 7 figures

References in corpus (11)

• Holographic Nuclear Physics
• Flavoured Large N Gauge Theory in an External Magnetic Field
• Debye screening in strongly coupled N=4 supersymmetric Yang-Mills plasma
• Holographic Description of the Phase Diagram of a Chiral Symmetry Breaking Gauge Theory
• The Chiral Model of Sakai-Sugimoto at Finite Baryon Density
• Baryon-charge Chemical Potential in AdS/CFT
• Non-equilibrium physics at a holographic chiral phase transition
• E, B, μ, T Phase Structure of the D3/D7 Holographic Dual
• Towards a Holographic Model of the QCD Phase Diagram
• Chiral phase transitions and quantum critical points of the D3/D7(D5) system with mutually perpendicular E and B fields at finite temperature and density
• The Dropping of In-Medium Hadron Mass in Holographic QCD

Cited by in corpus (11)

• Cool baryon and quark matter in holographic QCD
• From holography towards real-world nuclear matter
• Holographic modeling of nuclear matter and neutron stars
• Quarkyonic phase from quenched dynamical holographic QCD model
• Deconfined, Massive Quark Phase at High Density and Compact Stars: A Holographic Study
• Holographic quark matter with colour superconductivity and a stiff equation of state for compact stars
• Magnetic catalysis and the chiral condensate in holographic QCD
• Running coupling constant at finite chemical potential and magnetic field from holography
• Many Phases of Generalized 3D Instanton Crystals
• Meson effective mass in the isospin medium in hard-wall AdS/QCD model
• Quantum fluctuation energies over a spatially inhomogeneous field background in a chiral soliton model