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Related papers: From nuclear structure to neutron stars

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The hadronic equation of state for a neutron star is discussed with a particular emphasis on the symmetry energy. The results of several microscopic approaches are compared and also a new calculation in terms of the self-consistent Green…

Nuclear Theory · Physics 2007-05-23 A. E. L. Dieperink , D. Van Neck , Y. Dewulf , V. Rodin

We present an accurate numerical study of the equation of state of nuclear matter based on realistic nucleon--nucleon interactions by means of Auxiliary Field Diffusion Monte Carlo (AFDMC) calculations. The AFDMC method samples the spin and…

Nuclear Theory · Physics 2008-11-26 Stefano Gandolfi , Francesco Pederiva , Stefano Fantoni , Kevin E. Schmidt

Understanding the properties and physical phase of the dense strongly interacting matter present in the cores of neutron stars or created in their binary mergers remains one of the most prominent open problems in nuclear astrophysics. While…

High Energy Physics - Phenomenology · Physics 2024-05-24 Aleksi Vuorinen

Nonuniform structure of low-density nuclear matter, known as nuclear pasta, is expected to appear not only in the inner crust of neutron stars but also in core-collapse supernova explosions and neutron-star mergers. We perform fully…

Nuclear Theory · Physics 2021-05-19 Fan Ji , Jinniu Hu , Hong Shen

In recent years, the combination of precise quantum Monte Carlo (QMC) methods with realistic nuclear interactions and consistent electroweak currents, in particular those constructed within effective field theories (EFTs), has lead to new…

Nuclear Theory · Physics 2019-09-04 J. E. Lynn , I. Tews , S. Gandolfi , A. Lovato

The ultimate goal of studying isospin physics via heavy-ion reactions with neutron-rich, stable and/or radioactive nuclei is to explore the isospin dependence of in-medium nuclear effective interactions and the equation of state of…

Nuclear Theory · Physics 2015-04-14 Bao-An Li , Lie-Wen Chen , Che Ming Ko

We apply the statistical measure of complexity introduced by Lopez-Ruiz, Mancini and Calbet to neutron stars structure. Neutron stars is a classical example where the gravitational field and quantum behavior are combined and produce a…

Solar and Stellar Astrophysics · Physics 2009-10-06 K. Ch. Chatzisavvas , V. P. Psonis , C. P. Panos , Ch. C. Moustakidis

The possibility to draw links between the isospin properties of nuclei and the structure of compact stars is a stimulating perspective. In order to pursue this objective on a sound basis, the correlations from which such links can be…

Nuclear Theory · Physics 2011-05-23 Camille Ducoin , Jérôme Margueron , Constança Providência , Isaac Vidaña

Low-density neutron matter is characterized by fascinating emergent quantum phenomena, such as the formation of Cooper pairs and the onset of superfluidity. We model this density regime by capitalizing on the expressivity of the…

Nuclear Theory · Physics 2022-12-09 Bryce Fore , Jane M. Kim , Giuseppe Carleo , Morten Hjorth-Jensen , Alessandro Lovato

In recent years, there have been several successful attempts to constrain the equation of state of neutron star matter using input from low-energy nuclear physics and observational data. We demonstrate that significant further restrictions…

High Energy Astrophysical Phenomena · Physics 2014-06-25 Aleksi Kurkela , Eduardo S. Fraga , Jurgen Schaffner-Bielich , Aleksi Vuorinen

In this lecture, we give a first introduction to neutron stars, based on fundamental physical principles. After outlining their amazing macroscopic properties, as obtained from observations, we infer the extreme conditions of matter in…

High Energy Astrophysical Phenomena · Physics 2010-01-11 Pierre M. Pizzochero

Quantum Monte Carlo methods are powerful numerical tools to accurately solve the Schr\"odinger equation for nuclear systems, a necessary step to describe the structure and reactions of nuclei and nucleonic matter starting from realistic…

Nuclear Theory · Physics 2020-05-01 Stefano Gandolfi , Diego Lonardoni , Alessandro Lovato , Maria Piarulli

Using the relativistic mean-field model with nonlinear couplings between the isoscalar and isovector mesons, we study the properties of isospin-asymmetric nuclear matter. Not only the vector mixing,…

Nuclear Theory · Physics 2022-04-18 Tsuyoshi Miyatsu , Myung-Ki Cheoun , Koichi Saito

The nuclear equation-of-state is a topic of highest current interest in nuclear structure and reactions as well as in astrophysics. In particular, the equation-of-state of asymmetric matter and the symmetry energy representing the…

Nuclear Experiment · Physics 2016-10-13 Wolfgang Trautmann , Mircea Dan Cozma , Paolo Russotto

We employ a variational method, in the framework of the Thomas-Fermi approximation, to study the effect of the symmetry energy on the neutron skin thickness and the symmetry energy coefficients of various neutron rich nuclei. We concentrate…

Nuclear Theory · Physics 2017-05-17 M. C. Papazoglou , Ch. C. Moustakidis

In this lecture, we give a first introduction to neutron stars, based on fundamental physical principles. After outlining their outstanding macroscopic properties, as obtained from observations, we infer the extreme conditions of matter in…

High Energy Astrophysical Phenomena · Physics 2016-09-27 Pierre M. Pizzochero

We employ the recently improved description of dense baryonic matter within the Witten-Sakai-Sugimoto model to construct neutron stars. In contrast to previous holographic approaches, the presence of an isospin asymmetry allows us to…

High Energy Physics - Phenomenology · Physics 2022-03-14 Nicolas Kovensky , Aaron Poole , Andreas Schmitt

It is shown that behavior of the nuclear symmetry energy is the key quantity in the stability consideration in neutron star matter. The symmetry energy controls the position of crust-core transition and also may lead to new effects in the…

Astrophysics · Physics 2008-11-26 Sebastian Kubis

The functional form of the nuclear symmetry energy in the whole range of densities relevant for the neutron stars is still unknown. Discrepancies concern both the low as well as the high density behaviour of this function. By use of Bezier…

Solar and Stellar Astrophysics · Physics 2012-06-21 Sebastian Kubis , David Edwin Alvarez-Castillo

The symmetry energy is an important quantity in the equation of state of isospin asymmetric nuclear matter. This currently unknown quantity is key to understanding the structure of systems as diverse as the neutron-rich nuclei and neutron…

Nuclear Experiment · Physics 2008-11-26 S. J. Yennello , D. V. Shetty , G. A. Souliotis
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