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Related papers: Phase Fluctuations near the Chiral Critical Point

200 papers

We develop a description of the equation of state of QCD matter with restored chiral symmetry, which is in thermal and chemical equilibrium with the hadronic phase. The hadron gas is described with thermodynamically consistent volume…

Nuclear Theory · Physics 2024-12-10 N. G. Antoniou , F. K. Diakonos , A. S. Kapoyannis

Quantum fluctuation expression of the baryon number for a subsystem consisting of hot relativistic spin-$\frac{1}{2}$ particles are derived. These fluctuations seems to diverge in the limit where system size goes to zero. For a broad range…

Nuclear Theory · Physics 2021-11-30 Rajeev Singh

We will provide a review of some of the physics which can be addressed by studying fluctuations and correlations in heavy ion collisions. We will discuss Lattice QCD results on fluctuations and correlations and will put them into context…

Nuclear Theory · Physics 2008-10-15 Volker Koch

Critical phenomena in phase transitions of strongly interacting matter, governed by quantum chromodynamics, are inherently encoded in the fluctuations of conserved charges. In this work, we study the net-baryon number density fluctuations,…

High Energy Physics - Phenomenology · Physics 2024-07-16 Michał Marczenko

Charge fluctuations studied on event-by-event basis have been recently suggested to provide a signal of the equilibrium quark-gluon plasma produced in heavy-ion collisions at high energies. It is argued that the fluctuations generated at…

Nuclear Theory · Physics 2007-05-23 Marek Gazdzicki , Stanislaw Mrowczynski

Fluctuations of the color superconducting order parameter in dense quark matter at finite temperatures are investigated in terms of the phenomenological Ginzburg - Landau approach. Our estimates show that fluctuations of the di-quark gap…

Nuclear Theory · Physics 2009-11-10 D. N. Voskresensky

Starting from the recognition that hadrons are not produced smoothly at phase transition, the fluctuation of spatial patterns is investigated by finding a measure of the voids that exhibits scaling behavior. The Ising model is used to…

Nuclear Theory · Physics 2009-11-06 Rudolph C. Hwa , Qing-hui Zhang

One of the ultimate goals of nuclear collision experiments at high energy is to map the phase diagram of strongly interacting matter. A very challenging task is the determination of the QCD phase structure including the search for critical…

Nuclear Experiment · Physics 2021-02-03 Anar Rustamov

We study the mean-field thermodynamics and the characteristics of the net-baryon number fluctuations at the phase boundaries for the chiral and deconfinement transitions in the Hybrid Quark-Meson-Nucleon model. The chiral dynamics is…

High Energy Physics - Phenomenology · Physics 2018-02-16 Michał Marczenko , Chihiro Sasaki

The cumulants of baryon number fluctuations serve as a good probe for experimentally exploring the QCD phase diagram at finite density, giving rise to characteristic fluctuation patterns associated with a possible critical endpoint (CEP).…

High Energy Physics - Phenomenology · Physics 2023-08-17 Zhibin Li , Jingmin Liang , Song He , Li Li

Fluctuations of conserved quantities, such as baryon, electric charge and strangeness number, are sensitive observables in relativistic heavy-ion collisions to probe the QCD phase transition and search for the QCD critical point. In this…

Nuclear Experiment · Physics 2018-01-10 Xiaofeng Luo , Nu Xu

General formulas are presented for higher order cumulants of the conserved charge statistical fluctuations inside the mixed phase. As a particular example the van der Waals model in the grand canonical ensemble is used. The higher order…

High Energy Physics - Phenomenology · Physics 2021-03-03 Roman V. Poberezhnyuk , Oleh Savchuk , Mark I. Gorenstein , Volodymyr Vovchenko , Horst Stoecker

The purpose of this paper is twofold. Firstly, we study the dynamical density fluctuations around the critical point(CP) of Quantum Chromodynamics(QCD) using dissipative relativistic fluid dynamics in which the coupling of the density…

High Energy Physics - Theory · Physics 2010-03-12 Y. Minami , T. Kunihiro

The chiral phase transition at finite temperature and density is discussed in the framework of the QCD-like gauge field theory. The thermodynamical potential is investigated using a variational approach. Latent heat generated in the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Masaharu Iwasaki , Hiyoshi Kiuchi

The universal statistics of density fluctuations of localized quantum states may offer unprecedented opportunities to probe and understand quantum transport in connection with dimensionality, coherence, symmetry and disorder. To date, the…

Disordered Systems and Neural Networks · Physics 2026-05-29 Hai-Tao Ding , Sen Mu , Leong-Chuan Kwek , Gabriel Lemarié , Jiangbin Gong

The effects of fluctuations are discussed around the phase boundary of the inhomogeneous chiral transition between the inhomogeneous chiral phase and the chiral-restored phase. The particular roles of thermal and quantum fluctuations are…

High Energy Physics - Phenomenology · Physics 2017-04-19 Ryo Yoshiike , Tong-Gyu Lee , Toshitaka Tatsumi

The scaled factorial moments in second-order quark-hadron phase transition are reexamined within the Ginzburg-Landau description, with the spatial fluctuations of phase angle of the complex field $\phi$ taken into account rigorously.…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. B. Yang , X. Cai

Cooperative behaviors near the disorder-induced critical point in a random field Ising model are numerically investigated by analyzing time-dependent magnetization in ordering processes from a special initial condition. We find that the…

Statistical Mechanics · Physics 2025-01-06 Hiroki Ohta , Shin-ichi Sasa

As one of the possible signals for the whereabouts of the critical point on the QCD phase diagram, recently, the multiplicity fluctuations in heavy-ion collisions have aroused much attention. It is a crucial observable of the Beam Energy…

High Energy Physics - Phenomenology · Physics 2020-01-24 Hong-Hao Ma , Kai Lin , Wei-Liang Qian , Bin Wang

It is generally believed that the quark-hadron transition at small values of baryon chemical potentials $\mu_B$ is a crossover but changes to a first-order phase transition with an associated critical endpoint (CEP) as $\mu_B$ increases.…

Nuclear Theory · Physics 2019-02-01 Kai-Jia Sun , Lie-Wen Chen , Che Ming Ko , Jie Pu , Zhangbu Xu