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Related papers: Van der Waals Excluded Volume Model for Lorentz Co…

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Thermodynamic properties of systems with repulsive interactions, are considered in the grand canonical ensemble. The analytic structure of the excluded-volume model in the complex plane of the system chemical potential (fugacity) is…

High Energy Physics - Phenomenology · Physics 2019-12-11 Kirill Taradiy , Anton Motornenko , Volodymyr Vovchenko , Mark I. Gorenstein , Horst Stoecker

This paper presents a model of van der Waals forces in the framework of diffusion-convection equations. The model consists of a nonlinear and degenerated diffusion-convection equation, which furthermore can be considered as a model for slow…

Numerical Analysis · Mathematics 2016-08-31 Matthias Herz , Peter Knabner

The chemical freeze-out parameters in central nucleus-nucleus collisions are extracted consistently from hadron yield data within the quantum van der Waals (QvdW) hadron resonance gas model. The beam energy dependences for skewness and…

High Energy Physics - Phenomenology · Physics 2019-11-20 R. Poberezhnyuk , V. Vovchenko , A. Motornenko , M. I. Gorenstein , H. Stoecker

Quantum chromodynamics (QCD) with pure imaginary baryon number chemical potential mu =i theta T, where T is temperature and theta is a real number, has the Roberge-Weiss periodicity. We study the theta-dependence of the baryon number…

High Energy Physics - Phenomenology · Physics 2024-12-04 Riki Oshima , Hiroaki Kouno , Kouji Kashiwa

Here we present a physically transparent generalization of the multicomponent Van der Waals equation of state in the grand canonical ensemble. For the one-component case the third and fourth virial coefficients are calculated analytically.…

High Energy Physics - Phenomenology · Physics 2018-08-01 V. V. Sagun , K. A. Bugaev , A. I. Ivanytskyi , I. P. Yakimenko , E. G. Nikonov , A. V. Taranenko , C. Greiner , D. B. Blaschke , G. M. Zinovjev

When sheets of layered material like C, WS$_2$ or BN are restricted to finite sizes, they generally form single- and multi-walled hollow nanoparticles in order to avoid dangling bonds. Using continuum approaches to model elastic deformation…

Soft Condensed Matter · Physics 2007-05-23 U. S. Schwarz , S. A. Safran , S. Komura

The inherent structures ({\it IS}) are the local minima of the potential energy surface or landscape, $U({\bf r})$, of an {\it N} atom system. Stillinger has given an exact {\it IS} formulation of thermodynamics. Here the implications for…

Statistical Mechanics · Physics 2009-11-10 T. Keyes , J. Chowdhary

We investigate, in addition to the experimentally established hadrons, how the inclusion of extra resonance states, through the Hagedorn mass spectrum (HS) or Quark Model (QM) predicated states, affects the thermodynamic and transport…

High Energy Physics - Phenomenology · Physics 2023-04-25 Nachiketa Sarkar

Understanding how soft particles can fill the space is still an open question. Structures far from classical FCC or BCC phases are now commonly experimentally observed in many different systems. Models based on pair interaction between soft…

Soft Condensed Matter · Physics 2017-11-10 Brigitte Pansu , Jean-François Sadoc

We present a significant extension of the quark mass density-dependent model (QMDDM), initially revised in our prior study (Lugones and Grunfeld, Phys. Rev. D 107, 043025 (2023)), where thermodynamic inconsistencies were addressed. Our…

Nuclear Theory · Physics 2023-12-27 G. Lugones , A. G. Grunfeld

We present a theoretical study of wetting phenomena and interactions between liquid-vapor interfaces based on the density functional theory. The focus is mostly on the impact of long-range van der Waals interactions both within the fluid…

Chemical Physics · Physics 2011-11-10 Arik Yochelis , Len M. Pismen

We present the full thermodynamics of a fluid confined by an arbitrary external potential based on the virial expansion of the grand potential. The fluid may be classical or quantum and it is assumed that interatomic interactions are…

Statistical Mechanics · Physics 2008-08-13 Nadia Sandoval-Figueroa , Víctor Romero-Rochín

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

We study the convergence of cluster and virial expansions for systems of particles subject to positive two-body interactions. Our results strengthen and generalize existing lower bounds on the radii of convergence and on the value of the…

Mathematical Physics · Physics 2019-10-01 Roberto Fernández , Nguyen Tong Xuan

The chromoelectric polarizability of mesons governs the strength of the gluonic van der Waals force and therefore of non-quark-exchange processes in hadronic physics. We compute the polarizability of heavy mesons with the aid of lattice…

High Energy Physics - Phenomenology · Physics 2014-11-17 O. Lakhina , E. S. Swanson

It is argued that the van der Waals force exerted by the liquid and vapor/air on the molecules escaping from one phase into the other strongly affects the characteristics of evaporation. This is shown using two distinct descriptions of the…

Soft Condensed Matter · Physics 2024-02-14 E. S. Benilov

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…

The Universe is modeled as a binary mixture whose constituents are described by a van der Waals fluid and by a dark energy density. The dark energy density is considered either as the quintessence or as the Chaplygin gas. The irreversible…

General Relativity and Quantum Cosmology · Physics 2009-11-10 G. M. Kremer

We consider the Dirac field in polar formulation, showing that when torsion is taken in effective approximation the theory has the thermodynamic properties of a van der Waals gas, that when the limit of zero chiral angle is taken the theory…

General Physics · Physics 2025-06-09 Luca Fabbri

Causal rigid particles whose action includes an {\it arbitrary} dependence on the world-line extrinsic curvature are considered. General classes of solutions are constructed, including {\it causal tachyonic} ones. The Hamiltonian…

High Energy Physics - Theory · Physics 2009-10-22 Jan Govaerts