Journal ArticleDOI
A theory of highly condensed matter
TLDR
In this article, a model relativistic, many-body, quantum field theory composed of a baryon field, a neutral scalar meson field coupled to the scalar density ψ ψ, and a neutral vector meson fields coupled with the conserved Baryon current i Ψ γλψ is developed.About:
This article is published in Annals of Physics.The article was published on 1974-04-01. It has received 1557 citations till now. The article focuses on the topics: Quantum field theory & Propagator.read more
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Large sound speed in dense matter and the deformability of neutron stars
Brendan Reed,Charles Horowitz +1 more
TL;DR: In this article, a lower bound on the maximum speed of sound in neutron stars was derived from the LIGO-Virgo data set, and it was shown that the sound speed in the cores of neutron stars is likely larger than the conformal limit of $c/sqrt{3}.
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A relativistic theory of superdeformations in rapidly rotating nuclei
W. Koepf,Peter Ring +1 more
TL;DR: In this paper, the authors investigated superdeformed shapes in rapidly rotating nuclei in the framework of a cranked relativistic mean field theory and used a well established parameter set containing a non-linear self-coupling between the σ-mesons.
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Constraining the relativistic mean-field model equations of state with gravitational wave observations
TL;DR: In this paper, the authors analyzed a set of relativistic nuclear mean field theories by confronting them with the observational bounds and the measured neutron-skin thickness and found that only a few models can withstand these bounds which predict a stiff overall equation of state but with a soft neutron-proton symmetry energy.
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Effects of dark matter on the nuclear and neutron star matter
TL;DR: In this article, the effects of dark matter on the nuclear matter parameters were analyzed with the help of an extended relativistic mean-field model, and the authors extended the calculations to the neutron star and found its mass, radius and the moment of inertia for static and rotating neutron star with and without dark matter contribution.
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Neutron star profiles in the relativistic Brueckner-Hartree-Fock theory
TL;DR: In this paper, the relativistic Brueckner-Hartree-Fock (RBHF) theory was adopted to calculate the properties of neutron star matter under the beta equilibrium condition in a wide range of density.
References
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Journal ArticleDOI
On Massive neutron cores
J. R. Oppenheimer,G. M. Volkoff +1 more
TL;DR: In this paper, the authors studied the gravitational equilibrium of masses of neutrons, using the equation of state for a cold Fermi gas, and general relativity, and showed that for masses under 1/3, there are no static equilibrium solutions.
Journal ArticleDOI
Static Solutions of Einstein's Field Equations for Spheres of Fluid
TL;DR: In this article, a method is developed for treating Einstein's field equations, applied to static spheres of fluid, in such a manner as to provide explicit solutions in terms of known analytic functions.
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On Continued Gravitational Contraction
TL;DR: In this paper, the authors study the solutions of the gravitational field equations which describe the contraction of a heavy star, and give general and qualitative arguments on the behavior of the metrical tensor as the contraction progresses.