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A two-components isospin lattice gas model has been employed to study the liquid-gas phase transition for asymmetric nuclear matter. An additional degree of freedom, namely, the asymmetry parameter alpha has been considered carefully for…

Nuclear Theory · Physics 2008-11-26 Wei Liang Qian , Ru-Keng Su

The liquid-gas phase transition in strange hadronic matter is studied utilizing an extended Furnstahl-Serot-Tang model with nucleons and hyperons. The system is treated as of two components. The phase transition is analyzed by investigating…

Nuclear Theory · Physics 2009-11-10 Li Yang , Wei Liang Qian , Ru-Keng Su , Hong Qiu Song

We study an effective relativistic mean-field model of nuclear matter with arbitrary proton fraction at finite temperature in the framework of nonextensive statistical mechanics, characterized by power-law quantum distributions. We…

Nuclear Theory · Physics 2015-06-16 A. Lavagno , D. Pigato

We study the thermodynamics of asymmetric nuclear matter using a mean field approximation with a Skyrme effective interaction, in order to establish its phase diagram and more particularly the influence of isospin on the order of the…

Nuclear Theory · Physics 2007-05-23 C. Ducoin , P. Chomaz , F. Gulminelli

The liquid-gas phase transition in hot asymmetric nuclear matter is studied within density-dependent relativistic mean-field models where the density dependence is introduced according to the Brown-Rho scaling and constrained by available…

Nuclear Theory · Physics 2013-04-04 Guang-Hua Zhang , Wei-Zhou Jiang

We first explore the liquid-gas mixed phase in a bulk calculation, where two phases coexist without the geometrical structures. In the case of symmetric nuclear matter, the system behaves congruently, and the Maxwell construction becomes…

Nuclear Theory · Physics 2015-06-04 Toshiki Maruyama , Toshitaka Tatsumi

An isospin lattice-gas model, which is a spin-1 Ising model, is employed to investigate the liquid-gas phase transition in asymmetric nuclear matter. We consider nuclear matter as a lattice where each lattice site can be either empty or…

Nuclear Theory · Physics 2009-10-30 S. Ray , J. Shamanna , T. T. S. Kuo

We explore the geometrical structure of Liquid-gas (LG) mixed phase which is relevant to nuclear matter in the crust region of compact stars or supernovae. To get the equation of state (EOS) of the system, the Maxwell construction is found…

Nuclear Theory · Physics 2011-09-30 Toshiki Maruyama , Toshitaka Tatsumi

We use a chiral SU(3) quark mean field model to study the properties of nuclear systems at finite temperature. The liquid-gas phase transition of symmetric and asymmetric nuclear matter is discussed. For two formulations of the model the…

Nuclear Theory · Physics 2010-02-17 P. Wang , D. B. Leinweber , A. W. Thomas , A. G. Williams

The existence of phase transitions from liquid to gas phases in asymmetric nuclear matter (ANM) is related with the instability regions which are limited by the spinodals. In this work we investigate the instabilities in ANM described…

Nuclear Theory · Physics 2009-11-10 S. S. Avancini , L. Brito , D. P. Menezes , C. Providencia

We study the phase transition of asymmetric hadronic matter to a quark-gluon plasma within the framework of a simple two-phase model. The analysis is performed in a system with two conserved charges (baryon number and isospin) using the…

Nuclear Theory · Physics 2009-10-30 Horst Mueller

Thermodynamical properties of nuclear matter undergoing multifragmentation are studied within a simplified version of the statistical model. An exact analytical solution has been found for the grand canonical ensemble. Excluded volume…

Nuclear Theory · Physics 2009-11-06 K. A. Bugaev , M. I. Gorenstein , I. N. Mishustin , W. Greiner

The phase diagram of nuclear matter is quite rich - it shows such phenomena as phase-transitions, formation of condensates, clustering, etc. From the analysis of the spinodal instability, one can learn about the region of liquid-gas…

Nuclear Theory · Physics 2007-05-23 Jerome Margueron , Philippe Chomaz

The liquid-gas phase transition in hot neutron-rich nuclear matter is investigated within a self-consistent thermal model using different interactions with or without isospin and/or momentum dependence. The boundary of the phase-coexistence…

Nuclear Theory · Physics 2008-12-25 Jun Xu , Lie-Wen Chen , Bao-An Li , Hong-Ru Ma

We explore the presence of thermodynamic instabilities and, con\-se\-quen\-tly, the realization of a pure hadronic phase transition in the hot and finite baryon density nuclear matter. The analysis is performed by means of an effective…

Nuclear Theory · Physics 2023-01-18 A. Lavagno , D. Pigato

The equation of state of nuclear matter suggests that at suitable beam energies the disassembling hot system formed in heavy ion collisions will pass through a liquid-gas coexistence region. Searching for the signatures of the phase…

Nuclear Theory · Physics 2007-05-23 S. Das Gupta , A. Z. Mekjian , M. B. Tsang

A canonical ensemble model is used to describe a caloric curve of nuclear liquid-gas phase transition. Allowing a discontinuity in the freeze out density from one spinodal density to another for a given initial temperature, the nuclear…

Nuclear Theory · Physics 2008-11-26 S. J. Lee , A. Z. Mekjian

The liquid-gas phase transition in finite nuclei is studied in a heated liquid-drop model where the drop is assumed to be in thermodynamic equilibrium with the vapour emanated from it. Changing pressure along the liquid-gas coexistence line…

Nuclear Theory · Physics 2007-05-23 Tapas Sil , S. K. Samaddar , J. N. De , S. Shlomo

The liquid-gas phase transition in hot asymmetric nuclear matter is investigated within relativistic mean-field model using the density dependence of nuclear symmetry energy constrained from the measured neutron skin thickness of finite…

Nuclear Theory · Physics 2014-11-20 Bharat K. Sharma , Subrata Pal

We apply the chiral SU(3) quark mean field model to study the properties of strange hadronic matter at finite temperature. The liquid-gas phase transition is studied as a function of the strangeness fraction. The pressure of the system…

Nuclear Theory · Physics 2009-11-10 P. Wang , D. B. Leinweber , A. W. Thomas , A. G. Williams
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