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Related papers: Analytic Study on Chiral Phase Transition in Holog…

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The Banks--Casher relation links the spontaneous breaking of chiral symmetry in QCD to the presence of a non-zero density of quark modes at the low end of the spectrum of the Dirac operator. Spectral observables like the number of modes in…

High Energy Physics - Lattice · Physics 2009-03-31 Leonardo Giusti , Martin Lüscher

We discuss the possibility to probe the QCD critical point during the dynamical black hole formation from a gravitational collapse of a massive star, where the temperature and the baryon chemical potential become as high as T ~ 90 MeV and…

Nuclear Theory · Physics 2015-05-27 A. Ohnishi , H. Ueda , T. Z. Nakano , M. Ruggieri , K. Sumiyoshi

In this paper we study the chiral phase transition of QCD at finite temperature and density by using the rank-2 confining separable gluon propagator model in the framework of Dyson-Schwinger Equations. The critical end point is located at…

High Energy Physics - Phenomenology · Physics 2016-11-02 Bin Wang , Zhu-Fang Cui , Wei-Min Sun , Hong-Shi Zong

We discuss homogeneous nucleation in a first-order chiral phase transition within an effective field theory approach to low-energy QCD. Exact decay rates and bubble profiles are obtained numerically and compared to analytic results obtained…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. Scavenius , A. Dumitru , E. S. Fraga , J. T. Lenaghan , A. D. Jackson

We study the influence of the chiral phase transition on the chiral magnetic effect. The chiral electric current density along the magnetic field, the electric charge difference between on each side of the reaction plane, and the azimuthal…

High Energy Physics - Phenomenology · Physics 2015-05-18 Wei-jie Fu , Yu-xin Liu , Yue-liang Wu

We investigate the chiral phase transition in 2+1 dimensional QED. Previous gap equation and lattice Monte-Carlo studies of symmetry breaking have found that symmetry breaking ceases to occur when the number of fermion flavors exceeds a…

High Energy Physics - Phenomenology · Physics 2009-10-28 Thomas Appelquist , John Terning , L. C. R. Wijewardhana

The Einstein-Maxwell-dilaton model exhibits a first-order phase transition curve that terminates at a holographic critical endpoint, offering intriguing insights into the phase diagram of the dual system living on the boundary. However, the…

High Energy Physics - Theory · Physics 2025-02-11 Hong Guo , Xiao-Mei Kuang , Wei-Liang Qian

We study QCD at finite temperature and non-zero chemical potential to derive the critical temperature at the chiral phase transition (crossover). We solve a set of Dyson--Schwinger partial differential equations using the exact solution for…

High Energy Physics - Phenomenology · Physics 2025-06-03 Arpan Chatterjee , Marco Frasca , Anish Ghoshal , Stefan Groote

Quantum chromodynamics (QCD) phase diagram is usually plotted as temperature (T) versus the chemical potential associated with the conserved baryon number (\mu_{B}). Two fundamental properties of QCD, related to confinement and chiral…

Nuclear Experiment · Physics 2011-07-06 Bedangadas Mohanty

We study the phase structure and phase transition of cold dense QCD matter via the Dyson-Schwinger equation approach. We take the rainbow approximation and the Gaussian-type gluon model. In order to guarantee that the quark number density…

High Energy Physics - Phenomenology · Physics 2021-09-22 Zhan Bai , Yu-xin Liu

Thermodynamics of strongly interacting matter near critical end point are investigated in a holographic QCD model, which could describe the QCD phase diagram in $T-\mu$ plane qualitatively. Critical exponents along different axis…

High Energy Physics - Phenomenology · Physics 2019-03-27 Xun Chen , Danning Li , Mei Huang

The QCD phase transition is studied on $16^3$ and $32^3 \times 4$ lattices both with and without quark loops. We introduce a new zero-flavor or quenched species of quark $\zeta$ and study the resulting chiral condensate, $\azbz$ as a…

High Energy Physics - Lattice · Physics 2009-10-28 Shailesh Chandrasekharan , Norman Christ

The QCD phase diagram is studied in the presence of an isospin asymmetry using continuum extrapolated staggered quarks with physical masses. In particular, we investigate the phase boundary between the normal and the pion condensation…

High Energy Physics - Lattice · Physics 2018-04-04 B. B. Brandt , G. Endrodi , S. Schmalzbauer

Exploring the significant impacts of topological charge on the holographic phase transitions and conductivity we start from an Einstein - Maxwell system coupled with a charged scalar field in Anti - de Sitter spacetime. In our set up, the…

High Energy Physics - Theory · Physics 2021-05-20 Tran Huu Phat , Toan T. Nguyen

We give a further study on chiral phase diagram in the improved soft-wall AdS/QCD model with $2+1$ flavors. The equations of motion for the octet pseudoscalar, vector and axial-vector mesons are derived to compute the octet meson spectra…

High Energy Physics - Phenomenology · Physics 2019-09-18 Zhen Fang , Yue-Liang Wu , Lin Zhang

We discuss the role of the U(1) axial symmetry for the phase structure of QCD at finite temperature. In particular, supported by recent lattice results, we analyse a scenario in which a U(1)-breaking condensate survives across the chiral…

High Energy Physics - Phenomenology · Physics 2009-11-10 Enrico Meggiolaro

We provide numerical evidence that the thermal QCD crossover turns into a first order transition in the presence of large enough magnetic background fields. The critical endpoint is found to be located between $eB = 4$ GeV$^2$ (where the…

High Energy Physics - Lattice · Physics 2022-03-14 Massimo D'Elia , Lorenzo Maio , Francesco Sanfilippo , Alfredo Stanzione

We study the confinement/deconfinement transition of QCD matter for a quark-gluon plasma at finite density using AdS/QCD duality. In order to determine the critical temperature and its dependence on the quark chemical potential, the…

High Energy Physics - Theory · Physics 2024-07-01 Nelson R. F. Braga , Octavio C. Junqueira

Quantum chromodynamics (QCD) at finite temperature, $T$, and quark chemical potential, $\mu$, has a rich phase structure: at low $T$ and low $\mu$, the Nambu-Goldstone (NG) phase with nearly massless pions is realized by the dynamical…

High Energy Physics - Phenomenology · Physics 2015-05-14 Tetsuo Hatsuda , Kenji Maeda

The transition in quantum chromodynamics (QCD) from hadronic matter to the quark-gluon plasma (QGP) at high temperatures and/or net-baryon densities is associated with the restoration of chiral symmetry and can be investigated in the…

High Energy Physics - Phenomenology · Physics 2015-12-02 Jürgen Eser , Mara Grahl , Dirk H. Rischke