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相关论文: An analytic parametrization of the hyperonic matte…

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Bulk and single-particle properties of hot hyperonic matter are studied within the Brueckner-Hartree-Fock approximation extended to finite temperature. The bare interaction in the nucleon sector is the Argonne V18 potential supplemented…

核理论 · 物理学 2009-11-11 Arnau Rios , Artur Polls , Angels Ramos , Isaac Vidaña

We present the equation of state of infinite neutron matter as obtained from highly-realistic Hamiltonians that include nucleon-nucleon and three-nucleon coordinate-space potentials. We benchmark three independent many-body methods:…

核理论 · 物理学 2022-06-08 A. Lovato , I. Bombaci , D. Logoteta , M. Piarulli , R. B. Wiringa

We present calculations of the energy per particle of pure neutron and symmetric nuclear matter with simplified Argonne nucleon-nucleon potentials for different many-body theories. We compare critically the Brueckner-Hartree-Fock results to…

核理论 · 物理学 2015-06-05 M. Baldo , A. Polls , A. Rios , H. -J. Schulze , I. Vidana

We present results from Brueckner-Hartree-Fock calculations for $\beta$-stable neutron star matter with nucleonic and hyperonic degrees of freedom employing the most recent parametrizations of the baryon-baryon interaction of the Nijmegen…

核理论 · 物理学 2009-11-06 I. Vidaña , A. Polls , A. Ramos , L. Engvik , M. Hjorth-Jensen

In this work we introduce an extended version of the formalism proposed originally by Taurines et al. that considers the effects of many-body forces simulated by non-linear self-couplings and meson-meson interaction contributions. In this…

太阳与恒星天体物理 · 物理学 2015-07-17 R. O. Gomes , V. Dexheimer , S. Schramm , C. A. Z. Vasconcellos

In the framework of the Brueckner-Bethe-Goldstone theory, we determine a fully microscopic equation of state for asymmetric and $\beta$-stable nuclear matter containing $\sim$ and $\la$ hyperons. We use the Paris and the new Argonne…

核理论 · 物理学 2009-07-09 M. Baldo , G. F. Burgio , H. -J. Schulze

The equation of state of asymmetric nuclear matter as well as the neutron and proton effective masses and their partial-wave and spin-isospin decomposition are analyzed within the Brueckner--Hartree--Fock approach. Theoretical uncertainties…

核理论 · 物理学 2024-04-05 Isaac Vidaña , Jérôme Margueron , Hans-Josef Schulze

A microscopic calculation of the equation of state for asymmetric nuclear matter is presented. We employ realistic nucleon-nucleon forces and operate within the Dirac-Brueckner-Hartree-Fock approach to nuclear matter. The focal point of…

核理论 · 物理学 2011-07-18 D. Alonso , F. Sammarruca

We report benchmark calculations of the energy per particle of pure neutron matter as a function of the baryon density using three independent many-body methods: Brueckner-Bethe-Goldstone, Fermi hypernetted chain/single-operator chain, and…

核理论 · 物理学 2020-04-15 M. Piarulli , I. Bombaci , D. Logoteta , A. Lovato , R. B. Wiringa

It is shown how a bare three-nucleon force is incorporated into the formalism of the effective interaction approach for hyperspherical harmonics. As a practical example we calculate the ground state properties of 3H and 3He using the…

核理论 · 物理学 2015-06-26 Nir Barnea , Victor D. Efros , Winfried Leidemann , Giuseppina Orlandini

We calculate the energy per particle of symmetric nuclear matter and pure neutron matter using the microscopic many-body Brueckner-Hartree-Fock (BHF) approach and employing the Argonne V18 (AV18) nucleon-nucleon (NN) potential supplemented…

核理论 · 物理学 2015-02-05 Domenico Logoteta , Isaac Vidaña , Ignazio Bombaci , Alejandro Kievsky

We employ correlated realistic nucleon-nucleon interactions for the description of nuclear ground states throughout the nuclear chart within the Hartree-Fock approximation. The crucial short-range central and tensor correlations, which are…

核理论 · 物理学 2007-05-23 R. Roth , P. Papakonstantinou , N. Paar , H. Hergert , T. Neff , H. Feldmeier

A Skyrme-like effective interaction is built up from the equation of state of nuclear matter. The latter is calculated in the framework of the Brueckner-Hartree-Fock approximation with two and three body forces. A complete Skyrme…

核理论 · 物理学 2009-11-11 L. G. Cao , U. Lombardo , C. W. Shen , Nguyen Van Giai

We calculate static properties of non-rotating neutron stars (NS's) using a microscopic equation of state (EOS) for asymmetric nuclear matter, derived from the Brueckner-Bethe-Goldstone many-body theory with explicit three-body forces. We…

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

A new Nijmegen soft-core OBE potential model is presented for the low-energy YN interactions. Besides the results for the fit to the scattering data, which largely defines the model, we also present some applications to hypernuclear systems…

核理论 · 物理学 2008-11-26 Th. A. Rijken , V. G. J. Stoks , Y. Yamamoto

We present results from Brueckner-Hartree-Fock calculatons for beta stable neutron star matter with nucleonic and hyperonic degress degrees of freedom, employing the most recent parametrizations of the baryon-baryon interaction of the…

核理论 · 物理学 2009-11-06 I. Vidaña , A. Polls , A. Ramos , L. Engvik , M. Hjorth-Jensen

Three body effects are studied for both asymmetric nuclear matter and pure neutron matter to calculate the nuclear Equation of State . The Brueckner Hartree Fock approximation is used using CD Bonn B and Argonne V18 potentials. A two body…

核理论 · 物理学 2018-10-22 H. M. M. Mansour , M. El Zohry , A. E. Elmeshneb

We benchmark three standard approximations for the many-body problem -- the Hartree-Fock, projected Hartree-Fock, and random phase approximations -- against full numerical configuration-interaction calculations of the electronic structure…

原子物理 · 物理学 2012-08-31 Micah D. Schuster , Calvin W. Johnson , Joshua T. Staker

The Nijmegen soft-core model for the pseudoscalar-meson baryon interaction is derived, analogous to the Nijmegen NN and YN models. The interaction Hamiltonians are defined and the resulting amplitudes for one-meson-exchange and…

核理论 · 物理学 2009-11-11 H. Polinder , Th. A. Rijken

The study of highly charged electronic and muonic hydrogen-like ions, provides an intriguing way to probe the internal structure of their atomic nuclei. In this work, we use nuclear structure calculations to accurately calculate the…

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