2020/09/30 by Meng-Wei Li, Yi Yang, Pei-Hung Yuan · 15 citations
Physics and Astronomy · #AdS black hole #Black Holes and Theoretical Physics #Black hole (networking) #Chiral symmetry breaking #Critical phenomena #High-Energy Particle Collisions Research #Holography #Phase diagram #Phase transition #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quark #Scalar (mathematics) #hep-ph #hep-th
paper · pdf · doi:10.1007/jhep02(2021)055
published in Journal of High Energy Physics 2021(2) (Springer Nature) · 23 pages, 8 figures. Fixed some typos. Added some discussion in "Introduction" and "Conclusion"
openalex created_date 2020/09/21 · arxiv created 2020/11/24 · openalex publication_date 2021/02/01 · arxiv updated 2021/02/24 · openalex updated_date 2026/08/05
A bstract The chiral symmetry breaking (χ sb ) is one of the most fundamental problems in QCD. In this paper, we calculate quark condensation analytically in a holographic QCD model dual to the Einstein-Maxwell-Dilaton (EMD) system coupled to a probe scalar field. We find that the black hole phase transition in the EMD system seriously affects χ sb . At small chemical potential, χ sb behaves as a crossover. For large chemical potential μ > μ c , χ sb becomes first order with exactly the same transition temperature as the black hole phase transition by a bypass mechanism. The phase diagram we obtained is qualitatively consistent with the recent results from lattice QCD simulations and NJL models.