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A generalization of the Van der Waals excluded volume procedure for the multicomponent hadron gas is proposed. The derivation is based on the grand canonical partition function for the system of particles of several species interacting by…

核理论 · 物理学 2009-10-31 M. I. Gorenstein , A. P. Kostyuk , Ya. D. Krivenko

The baryon and energy densities attained in fragmentation regions in central Au+Au collisions in the energy range of the Beam Energy Scan (BES) program at the Relativistic Heavy-Ion Collider (RHIC) are estimated within the model of the…

核理论 · 物理学 2018-07-25 Yu. B. Ivanov , A. A. Soldatov

We discuss the thermoelectric effect of hot and dense hadron gas within the framework of the hadron resonance gas model. Using the relativistic Boltzmann equation within the relaxation time approximation we estimate the Seebeck coefficient…

高能物理 - 唯象学 · 物理学 2020-07-22 Arpan Das , Hiranmaya Mishra , Ranjita K. Mohapatra

For systems of interacting, ultracold spin-zero neutral bosonic atoms, harmonically trapped and subject to an optical lattice potential, we derive an Extended Bose Hubbard (EBH) model by developing a systematic expansion for the Hamiltonian…

其他凝聚态物理 · 物理学 2007-05-23 G. Mazzarella , S. M. Giampaolo , F. Illuminati

Within the relativistic mean-field framework with hadron masses and coupling constants dependent on the mean scalar field we study properties of nuclear matter at finite temperatures, baryon densities and isospin asymmetries relevant for…

核理论 · 物理学 2022-10-12 K. A. Maslov , D. N. Voskresensky

The recently proposed baryon-strangeness correlation (C_BS) is studied with a string-hadronic transport model (UrQMD) for various energies from E_lab=4 AGeV to \sqrt s=200 AGeV. It is shown that rescattering among secondaries can not mimic…

高能物理 - 唯象学 · 物理学 2009-11-11 Stephane Haussler , Horst Stoecker , Marcus Bleicher

Thermodynamic properties of hot and dense hadronic systems with a hard-sphere interaction are calculated in the Boltzmann approximation. Two parametrizations of pressure as a function of density are considered: the first one, used in the…

核理论 · 物理学 2015-05-20 L. M. Satarov , K. A. Bugaev , I. N. Mishustin

A detailed discussion of recent results obtained within the hadron resonance gas model with the multi-component hard core repulsion is presented. Among them there are the adiabatic chemical freeze-out criterion, the concept of separate…

高能物理 - 唯象学 · 物理学 2015-01-27 K. A. Bugaev , A. I. Ivanytskyi , D. R. Oliinychenko , E. G. Nikonov , V. V. Sagun , G. M. Zinovjev

The BCS to Bose-Einstein condensation (BEC) crossover of electron-hole (e-h) pairs in optically excited semiconductors is studied using the two-band Hubbard model with both repulsive and attractive interactions. Applying the self-consistent…

强关联电子 · 物理学 2007-05-23 Yuh Tomio , Kotaro Honda , Tetsuo Ogawa

A unified equation of state for quark-hadron matter is presented in the generalized Beth-Uhlenbeck form. It follows from a $\Phi-$derivable approach to the thermodynamic potential where the ansatz for the $\Phi$ functional contains all 2PI…

高能物理 - 唯象学 · 物理学 2017-12-05 D. Blaschke , A. Dubinin , L. Turko

Using simple parametrizations of the thermodynamic freeze-out parameters extracted from the data over a wide beam-energy range, we reexpress the hadronic freeze-out line in terms of the underlying dynamical quantities, the net baryon…

高能物理 - 唯象学 · 物理学 2013-05-29 Jorgen Randrup , Jean Cleymans

The measured particle ratios in central heavy-ion collisions at RHIC-BNL are investigated within a chemical and thermal equilibrium chiral SU(3) \sigma-\omega approach. The commonly adopted noninteracting gas calculations yield temperatures…

核理论 · 物理学 2009-11-07 D. Zschiesche , S. Schramm , J. Schaffner-Bielich , H. Stoecker , W. Greiner

The $\mathbb{Z}_2$ lattice gauge theory is a paradigmatic model that exhibits gauge-field-mediated-confinement of pairs of particles into mesons, drawing connections to quantum chromodynamics. In the absence of any additional attractive…

高能物理 - 格点 · 物理学 2026-02-12 Sayak Guha Roy , Vaibhav Sharma , Kaidi Xu , Umberto Borla , Jad C. Halimeh , Kaden R. A. Hazzard

In this work, a Bayesian statistical framework is employed to analyze particle yield ratios in Au-Au collisions, utilizing Non-Extensive Statistics (NES). Through Markov Chain Monte Carlo (MCMC) sampling, we systematically estimate key…

高能物理 - 唯象学 · 物理学 2025-11-21 Randy Dobler , Juliana O. Costa , Marcelo D. Alloy , Débora P. Menezes

By using a parametrization of the non-linear Walecka model which takes into account the binding energy of different hyperons, we present a study of particle production yields measured in central Au-Au collision at RHIC. Two sets of…

高能物理 - 唯象学 · 物理学 2009-06-23 M. Chiapparini , M. E. Bracco , A. Delfino , M. Malheiro , D. P. Menezes , C. Providencia

The Monte Carlo results in lattice QCD for the pressure and energy density at small temperature $T < 155$ MeV and zero baryonic chemical potential are analyzed within the hadron resonance gas model. Two extensions of the ideal hadron…

核理论 · 物理学 2015-02-20 V. Vovchenko , D. V. Anchishkin , M. I. Gorenstein

Thermalization process of nuclear matter in central fireball region of heavy-ion collisions is investigated by employing an extension model of Boltzmann-Uehling-Uhlenbeck, namely the Van der Waals Boltzmann-Uehling-Uhlenbeck (VdWBUU) model.…

核理论 · 物理学 2017-06-06 X. G. Deng , Y. G. Ma , M. Veselsky

We present a thorough study of the thermodynamics of a one-dimensional repulsive Bose gas, focusing in particular on corrections beyond the Luttinger-liquid description. We compute the chemical potential, the pressure and the contact, as a…

量子气体 · 物理学 2019-11-12 Giulia De Rosi , Pietro Massignan , Maciej Lewenstein , Grigori E. Astrakharchik

Susceptibilities of conserved quantities, such as baryon number, strangeness and electric charge are sensitive to the onset of quantum chromodynamics (QCD) phase transition and are expected to provide information on the matter produced in…

核实验 · 物理学 2016-10-27 Arghya Chatterjee , Sandeep Chatterjee , Tapan K. Nayak , Nihar Ranjan Sahoo

We formulate a thermodynamically consistent equation of state (EOS), based on excluded-volume approach, for a hot, dense hadron gas (HG). We calculate various thermodynamical quantities of HG and various hadron ratios and compare our model…

高能物理 - 唯象学 · 物理学 2013-02-11 S. K. Tiwari , C. P. Singh