Special Issue "Nuclear Physics and Multimessenger Astrophysics"

A special issue of Universe (ISSN 2218-1997). This special issue belongs to the section "High Energy Nuclear and Particle Physics".

Deadline for manuscript submissions: 30 November 2021.

Special Issue Editors

Prof. Dr. David Blaschke
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Guest Editor
1. Institute of Theoretical Physics, University of Wroclaw, 50-204 Wroclaw, Poland;
2. Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia;
3. National Research Nuclear University (MEPhI), 115409 Moscow, Russia
Interests: quantum field theory; quantum statistics; quark gluon plasma; heavy ion collisions; compact stars
Special Issues and Collections in MDPI journals
Dr. Konstantin Maslov
E-Mail Website
Guest Editor
Bogoliubov Laboratory for Theoretical Physics, Joint Institute for Nuclear Research, Joliot-Curie Street 6, 141980 Dubna, Russia
Interests: neutron stars; strongly interacting matter
Prof. Dr. Elena Litvinova
E-Mail Website
Guest Editor
Department of Physics, Western Michigan University, Kalamazoo, MI 49008-5252, USA
Interests: relativistic nuclear many-body problem; quantum field theory; nuclear astrophysics
Dr. Evgeni Kolomeitsev
E-Mail Website
Guest Editor
1. Matej Bel University, Banska Bystrica, Slovakia,
2. Laboratory of Theoretical Physics, JINR, Dubna, Russia
Interests: hadron structure; hadron resonances; particle production in heavy-ion collisions; In-medium effects; nuclear equation of state; neutron star physics

Special Issue Information

Dear Colleagues,

This Special Issue is based on selected contributions to the International Workshop "Infinite and Finite Nuclear Matter" (INFINUM-2020). However, it is also open to other contributions on this topic. The goal of INFINUM-2020 is to bring together researchers studying various aspects of the physics of atomic nuclei and neutron star physics, stimulating the interaction between the two communities. In the new era of multimessenger astronomy opened by the detection of gravitational waves (GWs) from a binary neutron star merger and its electromagnetic counterpart, the gamma-ray burst and the associated kilonova, it is extremely important to understand the interplay between the strong interaction in the dense medium and GW observables.

Nuclear matter, as an extrapolation of finite nuclei to an infinite particle number, is a product of the same strong interaction, but free of the surface effects that play an essential role in atomic nuclei. Understanding nuclear matter in its various phases, including deconfined quark matter phases, is crucial for the description of neutron stars. The neutron star interiors, spanning over a wide range of densities, represent an excellent playground for studying the fundamental forces of nature under extreme conditions, which cannot be reproduced on Earth.

Studies of atomic nuclei play a central role in our understanding of the fundamental forces of nature and the emergent phenomena occurring at various physical scales. Nuclear experiments can test the standard model of particle physics via weak interaction processes, search for new physics, and study fundamental symmetries. Nuclear structure, decays, and nuclear reactions determine the origin of elements produced in neutron star mergers and star evolution.

Prof. Dr. David Blaschke
Dr. Konstantin Maslov
Prof. Dr. Elena Litvinova
Dr. Evgeni Kolomeitsev
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Universe is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • neutron stars
  • gravitational waves
  • strongly interacting matter
  • equation of state of nuclear matter
  • nuclear physics
  • properties of atomic nuclei

Published Papers (3 papers)

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Research

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Article
Origin of Low- and High-Energy Monopole Collectivity in 132Sn
Universe 2021, 7(5), 145; https://doi.org/10.3390/universe7050145 - 13 May 2021
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Abstract
Beginning with the Skyrme interaction, we study the properties of the isoscalar giant monopole resonances (ISGMR) of 132Sn. Using the finite-rank separable approximation for the particle-hole interaction, the coupling between one- and two-phonon terms in the wave functions of excited states is taken into account in very large configurational spaces. The inclusion of the phonon–phonon coupling (PPC) results in the formation of a low-energy 0+ state. The PPC inclusion leads to a fragmentation of the ISGMR strength to lower energy states and also to a higher energy tail. Using the same set of parameters, we describe the available experimental data for the ISGMR characteristics of 118,120,122,124Sn and give a prediction for 126,128,130,132Sn. Full article
(This article belongs to the Special Issue Nuclear Physics and Multimessenger Astrophysics)
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Article
Nuclear Equation of State in the Relativistic Point-Coupling Model Constrained by Excitations in Finite Nuclei
Universe 2021, 7(3), 71; https://doi.org/10.3390/universe7030071 - 19 Mar 2021
Viewed by 486
Abstract
Nuclear equation of state is often described in the framework of energy density functional. However, the isovector channel in most functionals has been poorly constrained, mainly due to rather limited available experimental data to probe it. Only recently, the relativistic nuclear energy density [...] Read more.
Nuclear equation of state is often described in the framework of energy density functional. However, the isovector channel in most functionals has been poorly constrained, mainly due to rather limited available experimental data to probe it. Only recently, the relativistic nuclear energy density functional with an effective point-coupling interaction was constrained by supplementing the ground-state properties of nuclei with the experimental data on dipole polarizability and isoscalar monopole resonance energy in 208Pb, resulting in DD-PCX parameterization. In this work, we pursue a complementary approach by introducing a family of 8 relativistic point-coupling functionals that reproduce the same nuclear ground-state properties, including binding energies and charge radii, but in addition have a constrained value of symmetry energy at saturation density in the range J = 29, 30, …, 36 MeV. In the next step, this family of functionals is employed in studies of excitation properties such as dipole polarizability and magnetic dipole transitions, and the respective experimental data are used to validate the optimal choice of functional as well as to assess reliable values of the symmetry energy and slope of the symmetry energy at saturation. Full article
(This article belongs to the Special Issue Nuclear Physics and Multimessenger Astrophysics)
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Review

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Review
Nuclear Physics and Astrophysics Constraints on the High Density Matter Equation of State
Universe 2021, 7(8), 257; https://doi.org/10.3390/universe7080257 - 22 Jul 2021
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Abstract
(1) This review has been written in memory of Steven Moszkowski who unexpectedly passed away in December 2020. It has been inspired by our many years of discussions. Steven’s enthusiasm, drive and determination to understand atomic nuclei in simple terms of basic laws [...] Read more.
(1) This review has been written in memory of Steven Moszkowski who unexpectedly passed away in December 2020. It has been inspired by our many years of discussions. Steven’s enthusiasm, drive and determination to understand atomic nuclei in simple terms of basic laws of physics was infectious. He sought the fundamental origin of nuclear forces in free space, and their saturation and modification in nuclear medium. His untimely departure left our job unfinished but his legacy lives on. (2) Focusing on the nuclear force acting in nuclear matter of astrophysical interest and its equation of state (EoS), we take several typical snapshots of evolution of the theory of nuclear forces. We start from original ideas in the 1930s moving through to its overwhelming diversity today. The development is supported by modern observational and terrestrial data and their inference in the multimessenger era, as well as by novel mathematical techniques and computer power. (3) We find that, despite the admirable effort both in theory and measurement, we are facing multiple models dependent on a large number of variable correlated parameters which cannot be constrained by data, which are not yet accurate, nor sensitive enough, to identify the theory closest to reality. The role of microphysics in the theories is severely limited or neglected, mostly deemed to be too difficult to tackle. (4) Taking the EoS of high-density matter as an example, we propose to develop models, based, as much as currently possible, on the microphysics of the nuclear force, with a minimal set of parameters, chosen under clear physical guidance. Still somewhat phenomenological, such models could pave the way to realistic predictions, not tracing the measurement, but leading it. Full article
(This article belongs to the Special Issue Nuclear Physics and Multimessenger Astrophysics)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Tentative title: Constraints on EoSs of Neutron stars from the view point of mass and radius
Authorship and affiliation: Chinatsu Watanabe (Saitama Univ.), Naotaka Yoshinaga(Saitama Univ.), Kota Yanase (Tokyo Univ.)
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