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Comparing with a wide range of covariant energy density functional models based on the finite-range meson-exchange representation, the relativistic mean-field models with the zero-range contact interaction, namely the relativistic…

核理论 · 物理学 2019-09-04 Bao Yuan Sun , Zhi Wei Liu , Ruo Yu Xing

Equation-of-state (EOS) models underpin numerical simulations at the core of research in high energy density physics, inertial confinement fusion, laboratory astrophysics, and elsewhere. In these applications EOS models are needed that span…

数据分析、统计与概率 · 物理学 2022-10-28 Jim A Gaffney , Lin Yang , Suzanne Ali

We construct posterior distributions of the equation of state (EoS) for matter beyond the inner crust of neutron stars by incorporating finite nuclei (FN) constraints within relativistic mean field models. These constraints are implemented…

核理论 · 物理学 2026-01-21 Anagh Venneti , Sarmistha Banik , Bijay K Agrawal

Supercooled water is a metastable phase of liquid water below the melting temperature. An interesting discussion recently developed on the relationship between crystallization rate and the time scales of equilibration within the liquid…

软凝聚态物质 · 物理学 2015-06-05 Roman Shevchuk , Francesco Rao

We adopt two- and three-body nuclear forces derived at the next-to-next-to-leading-order (N2LO) in the framework of effective chiral perturbation theory (ChPT) to calculate the equation of state (EOS) of $\beta$-stable neutron star matter…

高能天体物理现象 · 物理学 2018-06-27 Domenico Logoteta , Ignazio Bombaci

Current observations of neutron stars and measurements of gravitational waves only provide constraints on the zero temperature ($T=0$) equation of state (EoS) of dense matter. The detection of the post-merger gravitational-wave signal from…

高能天体物理现象 · 物理学 2025-12-19 Hosein Gholami , Marco Hofmann , Débora Mroczek , Jacquelyn Noronha-Hostler

We use a finite range simple effective interaction to construct nuclear equations of state for the study of the density dependence of the nuclear symmetry energy. The EoSs provide good descriptions of the nuclear symmetry energy at a…

核理论 · 物理学 2020-12-01 D. Behera , S. K. Tripathy , T. R. Routray , B. Behera

Using path integral Monte Carlo (PIMC) and density functional molecular dynamics (DFT-MD) simulation methods, we compute a coherent equation of state (EOS) of nitrogen that spans the liquid, warm dense matter (WDM), and plasma regimes.…

等离子体物理 · 物理学 2016-03-23 K. P. Driver , B. Militzer

Through continuous progress in nuclear theory and experiment and an increasing number of neutron-star observations, a multitude of information about the equation of state (EOS) for matter at extreme densities is available. To constrain the…

We develop an analytic method of inverting the Tolman-Oppenheimer-Volkoff (TOV) relations to high accuracy. In principle, a specified $\mathcal{E}\mbox{-}P$ relation gives a unique $M\mbox{-}R$ relation, and vice-versa. Our method is…

太阳与恒星天体物理 · 物理学 2025-04-28 Boyang Sun , James M. Lattimer

The well-known classical nucleation theory (CNT) for the free energy barrier towards formation of a nucleus of critical size of the new stable phase within the parent metastable phase fails to take into account the influence of other…

统计力学 · 物理学 2015-06-18 Rakesh S. Singh , Biman Bagchi

Using the entropy $S$ as a reaction coordinate, we determine the free energy barrier associated with the formation of a liquid droplet from a supersaturated vapor for atomic and molecular fluids. For this purpose, we develop the $\mu VT-S$…

统计力学 · 物理学 2021-08-25 Caroline Desgranges , Jerome Delhommelle

The elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to the strength of the symmetry term in the nuclear Equation…

Equation of state (EOS) describes the thermodynamic properties of substances. It has important applications in many fields such as power mechanics, geophysics, astrophysics, and detonation physics. Currently, most EOSs have been constructed…

统计力学 · 物理学 2021-07-15 Ti-Wei Xue , Zeng-Yuan Guo

We calculate static properties of non-rotating neutron stars (NS's) using a microscopic equation of state (EOS) for asymmetric nuclear matter. The EOS is computed in the framework of the Brueckner--Bethe--Goldstone many--body theory. We…

核理论 · 物理学 2007-05-23 M. Baldo , G. F. Burgio , I. Bombaci

The meaningful correlations between the zero-sound modes and the stiffness of the nuclear equation of state (EOS) are uncovered in nuclear matter with the relativistic mean-field theory. It is demonstrated that the high-density zero-sound…

核理论 · 物理学 2023-10-26 Jing Ye , J. Margueron , Niu Li , W. Z. Jiang

Bayesian model mixing (BMM) is a statistical technique that can combine constraints from different regions of an input space in a principled way. Here we extend our BMM framework for the equation of state (EOS) of strongly interacting…

核理论 · 物理学 2025-05-27 A. C. Semposki , C. Drischler , R. J. Furnstahl , D. R. Phillips

The nuclear matter parameters define the nuclear equation of state (EoS), they appear as coefficients of expansion around the saturation density of symmetric and asymmetric nuclear matter. We review their correlations with several…

核理论 · 物理学 2021-05-26 B. K. Agrawal , Tuhin Malik , J. N. De , S. K. Samaddar

Parametric equations of state (EoSs) provide an important tool for systematically studying EoS effects in neutron star merger simulations. In this work, we perform a numerical validation of the M*-framework for parametrically calculating…

高能天体物理现象 · 物理学 2022-09-14 Carolyn A. Raithel , Pedro Espino , Vasileios Paschalidis

The collision cross sections (CCS), momentum transfer cross sections (MTCS), or scattering cross sections (SCS) of an electron neutral pair are important components for computing the electric conductivity of a plasma gas. Larger collision…

等离子体物理 · 物理学 2023-10-18 Osama A. Marzouk
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