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Related papers: Van der Waals Excluded Volume Model of Multicompon…

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A canonical partition function for the two-component excluded volume model is derived, leading to two different van der Waals approximations. The one is known as the Lorentz-Berthelot mixture and the other has been proposed recently. Both…

Nuclear Theory · Physics 2007-05-23 G. Zeeb , K. A. Bugaev , P. T. Reuter , H. Stocker

Conventional cluster and virial expansions are generalized to momentum dependent inter-particle potentials. The model with Lorentz contracted hard core potentials is considered, e.g. as hadron gas model. A Van der Waals-type model with a…

Nuclear Theory · Physics 2012-08-27 K. A. Bugaev , M. I. Gorenstein , H. Stöcker , and W. Greiner

Generalized mean-field approach for thermodynamic description of relativistic single- and multi-component gas in the grand canonical ensemble is formulated. In the framework of the proposed approach different phenomenological…

Nuclear Theory · Physics 2015-09-10 D. Anchishkin , V. Vovchenko

The multiplicity fluctuations are studied in the van der Waals excluded volume hadron-resonance gas model. The calculations are done in the grand canonical ensemble within the Boltzmann statistics approximation. The scaled variances for…

Nuclear Theory · Physics 2008-11-26 M. I. Gorenstein , M. Hauer , D. O. Nikolajenko

We generalize derivation of partition functions of the grand canonical ensemble for the multicomponent van der Waals gas of interacting particles by hardcore potentials to the case of the attractive large-distance mean field. The formulas…

High Energy Physics - Phenomenology · Physics 2019-09-19 Yaroslav Krivenko-Emetov

We consider thermodynamics of the excluded volume particles at finite temperature and chemical potential, in the low density approximation. We assume Boltzmann statistics and study the influence of the excluded volume on an ideal gas…

High Energy Physics - Phenomenology · Physics 2016-02-17 Krzysztof Redlich , Kacper Zalewski

A generalization of the quantum van der Waals equation of state for a multi-component system in the grand canonical ensemble is proposed. The model includes quantum statistical effects and allows to specify the parameters characterizing…

An overview of a hadron resonance gas (HRG) model that includes van der Waals interactions between hadrons is presented. Applications of the excluded volume HRG model to heavy-ion collision data and lattice QCD equation of state are…

Nuclear Theory · Physics 2020-07-09 Volodymyr Vovchenko

A new equation of state for a hot and dense hadron gas (HG) is obtained where the finite hard-core size of baryons has been incorporated in a thermodynamically consistent formulation of excluded volume correction. Our model differs from…

High Energy Physics - Phenomenology · Physics 2012-01-24 S. K. Tiwari , P. K. Srivastava , C. P. Singh

A two-component van der Waals gas model is proposed to describe the hadronic stages of the evolution of a nuclear fireball in the cooling stage. At the first stage of hadronization, when mesons dominate, a two-component meson model ($\pi^0$…

High Energy Physics - Phenomenology · Physics 2023-10-24 Ya. D. Krivenko-Emetov

The shear viscosity $\eta$ in the van der Waals excluded volume hadron-resonance gas model is considered. For the shear viscosity the result of the non-relativistic gas of hard-core particles is extended to the mixture of particles with…

Nuclear Theory · Physics 2011-12-06 M. I. Gorenstein , M. Hauer , O. N. Moroz

The formalism to augment the classical models of equation of state for real gases with the quantum statistical effects is presented. It allows an arbitrary excluded volume procedure to model repulsive interactions, and an arbitrary…

Nuclear Theory · Physics 2017-09-29 Volodymyr Vovchenko

Studying the thermodynamics of the systems produced in ultra-relativistic heavy-ion collisions is crucial in understanding the QCD phase diagram. Recently, a new avenue has opened regarding the implications of large initial angular momentum…

High Energy Physics - Phenomenology · Physics 2024-09-18 Kshitish Kumar Pradhan , Bhagyarathi Sahoo , Dushmanta Sahu , Raghunath Sahoo

We have considered formation of a multi component non-ideal hot and dense gas of hadronic resonances in the ultra-relativistic heavy-ion collisions. In the statistical thermal model approach the equation of state (EoS) of the non…

High Energy Physics - Phenomenology · Physics 2022-08-23 Rameez Ahmad Parra , Saeed Uddin , Waseem Bashir , Inam-ul Bashir

One of the most surprising results is to find that a consistent description of all the experimental results on particle multiplicities and particle ratios obtained from the lowest AGS to the highest RHIC energies is possible within the…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Mishra , C. P. Singh

The van der Waals interaction is implemented in a Hadron Resonance Gas model. It is shown that this model can describe Lattice QCD data of different thermodynamical quantities satisfactorily with the van der Waals parameters $a = 1250 \pm…

High Energy Physics - Phenomenology · Physics 2018-01-16 Subhasis Samanta , Bedangadas Mohanty

We recapitulate a thermodynamically consistent excluded volume hadron gas model and examine its differences with other ``thermal models'' used in the literature. Preliminary experimental data for particle number ratios in the collisions of…

Nuclear Theory · Physics 2008-11-26 Granddon D. Yen , Mark I. Gorenstein , Walter Greiner , Shin Nan Yang

Within the frame of macroscopic quantum electrodynamics in causal media, the van der Waals interaction between an atomic system and an arbitrary arrangement of dispersing and absorbing dielectric bodies including metals is studied. It is…

Quantum Physics · Physics 2007-05-23 Stefan Yoshi Buhmann , Ho Trung Dung , Dirk-Gunnar Welsch

An influence of the repulsive interactions on matter properties is considered within the excluded volume van der Waals hadron-resonance gas model. Quantitative results are presented for matter at the chemical freeze-out in central…

Nuclear Theory · Physics 2013-08-28 V. V. Begun , M. Gaździcki , M. I. Gorenstein

We incorporate the empirical low-density properties of isospin symmetric nuclear matter into the excluded-volume model for quarkyonic matter by including attractive mean field in the nucleonic sector and considering variations on the…

Nuclear Theory · Physics 2023-07-26 Roman V. Poberezhnyuk , Horst Stoecker , Volodymyr Vovchenko
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