English
Related papers

Related papers: Neutron matter under strong magnetic fields: a com…

200 papers

Properties of dense nucleon matter and the structure of neutron stars are studied using variational chain summation methods and the new Argonne v18 two-nucleon interaction. The neutron star gravitational mass limit obtained with this…

Nuclear Theory · Physics 2008-11-26 A. Akmal , V. R. Pandharipande , D. G. Ravenhall

The nucleon density distributions and the thickness of pure neutron matter in Ca isotopes were systematically studied using the Skyrme-Hartree-Fock model (SHF) from the $\beta$-stability line to the neutron drip-line. The pure neutron…

Nuclear Theory · Physics 2009-11-06 Soojae Im , J. Meng

Strongly magnetized symmetric nuclear matter is investigated within the context of effective baryon-meson exchange models. The magnetic field is coupled to the charge as well as the dipole moment of the baryons by including the appropriate…

Nuclear Theory · Physics 2013-07-02 J. P. W. Diener , F. G. Scholtz

As the interior density of a neutron star can become very high, it has been expected and discussed that quark matter may exist inside it. To describe the transition from hadron to quark phases (and vice versa), there are mainly two methods;…

High Energy Astrophysical Phenomena · Physics 2017-03-29 Takahide Kambe , Tetsuya Katayama , Koichi Saito

Some thermodynamical magnitudes of interest in a pure neutron plasma are studied within the framework of the non-relativistic Brueckner-Hartree-Fock approximation at finite density and temperature. We use Skyrme and Gogny forces to describe…

Nuclear Theory · Physics 2008-11-26 M. Angeles Perez-Garcia

In this Letter, we report a realistic calculation of the magnetic field profile for the equation of state inside strongly magnetized neutron stars. Unlike previous estimates, which are widely used in the literature, we find that magnetic…

High Energy Astrophysical Phenomena · Physics 2017-10-11 V. Dexheimer , B. Franzon , R. O. Gomes , R. L. S. Farias , S. S. Avancini , S. Schramm

In this thesis, the effects of the magnetic field on neutron stars matter are studied, assuming that the neutrons inside these stars are partially or totally paired forming neutral vector bosons. The main effects of the magnetic field on…

High Energy Astrophysical Phenomena · Physics 2019-10-11 Gretel Quintero Angulo

Composite hadronic states exhibit interesting properties in the presence of very intense magnetic fields, such as those conjectured to exist in the vicinity of certain astrophysical objects. We discuss three scenarios. (i) The presence of…

High Energy Physics - Phenomenology · Physics 2009-10-22 Myron Bander , Hector Rubinstein

The magnetars are believed to be highly magnetized neutron stars having surface magnetic field 10^{14} - 10^{15} G. It is believed that at the center, the magnetic field may be higher than that at the surface. We study the effect of the…

High Energy Astrophysical Phenomena · Physics 2013-02-15 Banibrata Mukhopadhyay , Monika Sinha

The equilibrium properties of the outer crust of cold nonaccreting magnetars (i.e. neutron stars endowed with very strong magnetic fields) are studied using the latest experimental atomic mass data complemented with a microscopic atomic…

High Energy Astrophysical Phenomena · Physics 2013-05-03 N. Chamel , R. L. Pavlov , L. M. Mihailov , Ch. J. Velchev , Zh. K. Stoyanov , Y. D. Mutafchieva , M. D. Ivanovich , J. M. Pearson , S. Goriely

We present the first numerical solutions of the coupled Einstein-Maxwell equations describing rapidly rotating neutron stars endowed with a magnetic field. These solutions are fully relativistic and self-consistent, all the effects of the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 M. Bocquet , S. Bonazzola , E. Gourgoulhon , J. Novak

The Equation of State (EOS) for asymmetric nuclear matter is discussed starting from a phenomenological hadronic field theory of Serot-Walecka type including exchange terms. In a model with self interactions of the scalar sigma-meson we…

Nuclear Theory · Physics 2009-11-06 V. Greco , M. Colonna , M. Di Toro , G. Fabbri , F. Matera

In this work the relativistic mean field (RMF) FSUGold model extended to include hyperons is employed to study the properties of neutron stars with strong magnetic fields. The chaotic magnetic field approximation is utilized. The effect of…

High Energy Astrophysical Phenomena · Physics 2017-02-27 Fei Wu , Chen Wu , Zhongzhou Ren

We study the effect of strong magnetic fields, of the order of $10^{15}-10^{17}$ G, on the extension of the crust of magnetized neutron stars. The dynamical instability region of neutron-proton-electron ($npe$) matter at subsaturation…

Nuclear Theory · Physics 2016-12-14 Jianjun Fang , Sidney Avancini , Helena Pais , Constança Providência

It is shown how the Equation of State (EoS) depends on nucleon properties inside Nuclear Matter (NM). We propose to benefit from the concept of enthalpy in order to include volume corrections to the nucleon rest energy, which are…

Nuclear Theory · Physics 2017-02-28 Jacek Rożynek

We analyze microscopic many-body calculations of the nuclear symmetry energy and its density dependence. The calculations are performed in the framework of the Brueckner-Hartree-Fock and the Self-Consistent Green's Functions methods. Within…

Nuclear Theory · Physics 2015-06-16 Arianna Carbone , Artur Polls , Constança Providência , Arnau Rios , Isaac Vidaña

In this work, we study the effects of different magnetic field configurations in neutron stars described by a many-body forces formalism (MBF model). The MBF model is a relativistic mean field formalism that takes into account many-body…

Nuclear Theory · Physics 2017-09-06 R. O. Gomes , B. Franzon , V. Dexheimer , S. Schramm , C. A. Z. Vasconcellos

The density dependence of the symmetry energy, instrumental in understanding the behaviour of the asymmetric nuclear matter, is investigated within the extended relativistic mean field (ERMF) model which includes the contributions from the…

Nuclear Theory · Physics 2010-05-28 B. K. Agrawal

Inelastic neutron scattering provides a powerful probe of the magnetic excitations of quantum magnets. Altermagnets have recently emerged as a new class of magnets with vanishing net magnetization characteristic of antiferromagnets and with…

Strongly Correlated Electrons · Physics 2023-09-29 Thomas A. Maier , Satoshi Okamoto

The understanding of the interaction of nucleons in nuclear and neutron-rich matter at non-zero temperature is important for a variety of applications ranging from heavy-ion collisions to nuclear astrophysics. In this paper we apply the…

Nuclear Theory · Physics 2009-08-14 Francesca Sammarruca