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Heavy vector mesons produced in a heavy ion collision are important sources of information about the quark gluon plasma (QGP). For instance, the fraction of bottomonium states observed in such a collision is altered by the dissociation…

高能物理 - 理论 · 物理学 2022-08-03 Nelson R. F. Braga , Yan F. Ferreira , Luiz F. Ferreira

Heavy ion collisions, produced in particle accelerators, lead to the formation of a new state of matter, known as the quark gluon plasma. It is not possible to observe directly the plasma, where quarks and gluons are not confined into…

高能物理 - 理论 · 物理学 2020-11-18 Nelson R. F. Braga , Rodrigo da Mata

To better understand the effects of strong coupling and QCD at high temperature in QGP, by using holographic model, we investigate the dissociation effect of bottomonium under the higher-order curvature corrections to the supergravity…

高能物理 - 唯象学 · 物理学 2024-01-25 Yan-Qing Zhao , Defu Hou

There are strong indications that ultra-relativistic heavy ion collisions, produced in accelarators, lead to the formation of a new state of matter: the quark gluon plasma (QGP). This deconfined QCD matter is expected to exist just for very…

高能物理 - 唯象学 · 物理学 2020-03-24 Nelson R. F. Braga , Rodrigo da Mata

The entropic approach to dissociation of bound states immersed in strongly coupled systems is developed. In such systems, the excitations of the bound state are often delocalized and characterized by a large entropy, so that the bound state…

高能物理 - 唯象学 · 物理学 2014-10-08 Dmitri E. Kharzeev

Due to their aperiodic nature, quasicrystals are one of the least understood phases in statistical physics. One significant complication they present in comparison to their periodic counterparts is the fact that any quasicrystal can be…

软凝聚态物质 · 物理学 2024-02-01 Etienne Fayen , Laura Filion , Giuseppe Foffi , Frank Smallenburg

Electromagnetic transitions involving nucleons and their resonances are here presented in the fermionic sector of the AdS/QCD soft-wall model, using the differential configurational entropy (DCE) as a measure of information entropy. The DCE…

高能物理 - 理论 · 物理学 2023-05-18 Roldao da Rocha

In a quasi-one-dimensional system the particles remain ordered from left to right allowing the association of a volume element to the particle which on average resides there. Thus the properties of that single particle can give the local…

统计力学 · 物理学 2014-09-12 Gary Morriss

We present a holographic description of the thermal behavior of $ b \bar b$ heavy vector mesons inside a plasma at finite temperature and density. The meson dissociation in the medium is represented by the decrease in the height of the…

高能物理 - 唯象学 · 物理学 2017-10-10 Nelson R. F. Braga , Luiz F. Ferreira

The fully entangled fraction (FEF) measures the proximity of a quantum state to maximally entangled states. FEF $>\frac{1}{d}$, in $d \otimes d$ systems is a significant benchmark for various quantum information processing protocols…

量子物理 · 物理学 2025-03-07 Komal Kumar , Indranil Chakrabarty , Nirman Ganguly

Configurational entropy (CE) and configurational complexity (CC) are recently popularized information theoretic measures used to study the stability of solitons. This paper examines their behavior for 2D and 3D lattice Ising Models, where…

统计力学 · 物理学 2025-03-06 Damian R Sowinski , Sean Kelty , Gourab Ghoshal

Configurational entropy (CE) consists of a family of entropic measures of information used to describe the shape complexity of spatially-localized functions with respect to a set of parameters. We obtain the Differential Configurational…

斑图形成与孤子 · 物理学 2020-11-16 Pooja Thakur , Marcelo Gleiser , Anil Kumar , Rama Gupta

We explore the QCD equation of state at finite baryon density through an expansion in baryon number fugacity, making use of the recent lattice data on the four leading Fourier coefficients of the expansion. A state-of-the-art description of…

高能物理 - 唯象学 · 物理学 2019-05-06 Volodymyr Vovchenko , Jan Steinheimer , Owe Philipsen , Horst Stoecker

A diagonal entropy, which depends only on the diagonal elements of the system's density matrix in the energy representation, has been recently introduced as the proper definition of thermodynamic entropy in out-of-equilibrium quantum…

统计力学 · 物理学 2012-02-17 Lea F. Santos , Anatoli Polkovnikov , Marcos Rigol

We discuss dense states of QCD matter formed in high-energy hadronic and heavy-ion collisions from the point of view of statistical physics of non-equilibrium processes. For this sake, we first propose a formulation of the dynamical entropy…

高能物理 - 唯象学 · 物理学 2013-03-27 Robi Peschanski

The effect of unstable quasiparticles in the out-of-equilibrium dynamics of certain integrable systems has been the subject of several recent studies. In this paper we focus on the stationary value of the entanglement entropy density, its…

高能物理 - 理论 · 物理学 2023-04-24 David X. Horvath , Pasquale Calabrese , Olalla A. Castro-Alvaredo

The Equation of State and the properties of matter in the high temperature deconfined phase are analyzed by a quasiparticle approach for $T> 1.2~T_c$. In order to fix the parameters of our model we employ the lattice QCD data of energy…

高能物理 - 唯象学 · 物理学 2008-11-26 Paolo Castorina , Massimo Mannarelli

The mass spectroscopy of exotic meson states is scrutinized in the AdS/QCD paradigm. The differential configurational entropy is then used to study, derive, and analyze the mass spectrum of excited exotic vector meson resonances, whose…

高能物理 - 唯象学 · 物理学 2021-10-06 G. Karapetyan , R. da Rocha

Heavy vector mesons detected after a heavy ion collision are important sources of information about the quark gluon plasma. The fraction of such particles that survive the plasma phase and reach the detectors is related to the dissociation…

高能物理 - 唯象学 · 物理学 2019-07-24 Nelson R. F. Braga , Luiz F. Ferreira

The QCD equation of state at finite baryon density is studied in the framework of a Cluster Expansion Model (CEM), which is based on the fugacity expansion of the net baryon density. The CEM uses the two leading Fourier coefficients,…

高能物理 - 格点 · 物理学 2019-02-20 V. Vovchenko , J. Steinheimer , O. Philipsen , A. Pasztor , Z. Fodor , S. D. Katz , H. Stoecker
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