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相关论文: Higher order conserved charge fluctuations inside …

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We present a first-principles lattice QCD investigation of second-order fluctuations of and correlations among conserved charges -- baryon number (B), electric charge (Q), and strangeness (S) -- in the presence of external magnetic fields.…

高能物理 - 格点 · 物理学 2025-06-17 Heng-Tong Ding , Jin-Biao Gu , Arpith Kumar , Sheng-Tai Li

The QCD critical point can be found in heavy ion collision experiments via the non-monotonic behavior of many fluctuation observables as a function of the collision energy. The event-by-event fluctuations of various particle multiplicities…

高能物理 - 唯象学 · 物理学 2014-11-21 Christiana Athanasiou , Krishna Rajagopal , Misha Stephanov

We consider the Polyakov loop-extended two flavor chiral quark--meson model and discuss critical phenomena related with the spontaneous breaking of the chiral symmetry. The model is explored beyond the mean-field approximation in the…

高能物理 - 唯象学 · 物理学 2015-05-30 V. Skokov , B. Friman , F. Karsch , K. Redlich

Fluctuations of conserved charges are a golden channel for measuring a QCD critical point in relativistic heavy-ion collisions. These fluctuations are quantified by measuring high-order cumulants of baryon-number distributions at a given…

核理论 · 物理学 2024-10-17 Zachary Sweger , Daniel Cebra , Xin Dong

We propose to describe the time evolution of quasi-stationary fluctuations near QCD critical point by a system of stochastic Boltzmann-Langevin-Vlasov-type equations. We derive the equations and study the system analytically in the…

高能物理 - 唯象学 · 物理学 2014-11-20 M. A. Stephanov

Any physical system considered to study the QCD deconfinement phase transition certainly has a finite volume, so the finite size effects are inevitably present. This renders the location of the phase transition and the determination of its…

高能物理 - 理论 · 物理学 2016-04-27 S. Cherif , M. A. A. Ahmed , M. Ladrem

We predict a condensation phenomenon in an overall neutral system, consisting of a single charged plate and its oppositely charged counterions. Based on the ``two-fluid'' model, in which the counterions are divided into a ``free'' and a…

软凝聚态物质 · 物理学 2016-08-31 A. W. C. Lau , D. B. Lukatsky , P. Pincus , S. A. Safran

We present continuum extrapolated lattice results for the higher order fluctuations of conserved charges in high temperature Quantum Chromodynamics. Through the matching of the grand canonical ensemble on the lattice to the net charge and…

高能物理 - 格点 · 物理学 2013-12-02 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

In the pseudogap regime of one-dimensional incommensurate Peierls systems, fluctuations of the phase of the order parameter prohibit the emergence of long-range order and generate a finite correlation length. For classical phase…

强关联电子 · 物理学 2009-10-31 Lorenz Bartosch , Peter Kopietz

We discuss two topics on the experimental measurements of fluctuation observables in relativistic heavy-ion collisions. First, we discuss the effects of the thermal blurring, i.e. the blurring effect arising from the experimental…

核理论 · 物理学 2016-10-21 Masakiyo Kitazawa , Masayuki Asakawa

The relevance of higher order cumulants of net baryon number fluctuations for the analysis of freeze-out and critical conditions in heavy-ion collisions at LHC and RHIC is addressed. The sign structure of the higher order cumulants in the…

高能物理 - 唯象学 · 物理学 2012-12-06 Bernd-Jochen Schaefer , Mathias Wagner

Recent work on the complete wetting transition has emphasized the role played by the coupling of fluctuations of the order parameter at the wall and at the depinning fluid interface. Extending this approach to the wetting transition itself…

软凝聚态物质 · 物理学 2009-10-28 A. O. Parry , C. J. Boulter , P. S. Swain

Within the framework of intermittency analysis, a search for critical fluctuations is ongoing to locate the possible critical point in the quantum chromodynamics phase diagram. In this study, self-similar critical fluctuations from a…

核理论 · 物理学 2022-12-09 Jin Wu , Zhiming Li , Xiaofeng Luo , Mingmei Xu , Yuanfang Wu

The van der Waals (VDW) equation of state describes a thermal equilibrium in system of particles, where both repulsive and attractive interactions between them are included. This equation predicts an existence of the 1st order liquid-gas…

核理论 · 物理学 2016-08-25 V. Vovchenko , D. V. Anchishkin , M. I. Gorenstein

For the understanding of fluctuation measurements in heavy-ion collisions it is crucial to develop quantitatively reliable dynamical descriptions which take the non-perturbative nature of QCD near the phase transition into account. We…

高能物理 - 唯象学 · 物理学 2019-02-20 M. Bluhm , Y. Jiang , M. Nahrgang , J. M. Pawlowski , F. Rennecke , N. Wink

We investigate the evolution of the net-proton kurtosis and the kurtosis of the chiral order parameter near the critical point in the model of nonequilibrium chiral fluid dynamics. The order parameter is propagated explicitly and coupled to…

高能物理 - 唯象学 · 物理学 2016-03-23 Christoph Herold , Marlene Nahrgang , Yupeng Yan , Chinorat Kobdaj

For the discovery of the QCD critical point it is crucial to develop dynamical models of the fluctuations of the net-baryon number that can be embedded in simulations of heavy-ion collisions. In this proceeding, we study the dynamical…

The QCD critical point can be found in heavy ion collision experiments via the non-monotonic behavior of many fluctuation observables as a function of the collision energy. The event-by-event fluctuations of various particle multiplicities…

高能物理 - 唯象学 · 物理学 2011-03-23 Christiana Athanasiou , Krishna Rajagopal , Misha Stephanov

The high-order cumulants and factorial cumulants of conserved charges are suggested to study the critical dynamics in heavy ion collisions. In this paper, using parametric representation of the 3-dimensional Ising model, the sign…

核理论 · 物理学 2021-06-17 Xue Pan , Mingmei Xu , Yuanfang Wu

The sign structure of correlations of conserved charges are investigated in a QCD like model: the (2+1) flavor Polyakov Quark Meson model. We compute all susceptibilities of the conserved charges on the $(\mu_{B}-T)$ plane up to fourth…

核理论 · 物理学 2015-02-13 Sandeep Chatterjee , Kirtimaan A. Mohan