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Related papers: Exploring fundamental physics with neutron stars

200 papers

Strong interaction physics under extreme conditions of high temperature and/or density is of central interest in modern nuclear physics for experimentalists and theorists alike. In order to investigate such systems, model approaches that…

Solar and Stellar Astrophysics · Physics 2013-10-23 S. Schramm , V. Dexheimer , R. Negreiros , J. Steinheimer , T. Schürhoff

We investigate the properties of the static neutron stars and strangeness-mixed stars, based on the equations of state derived from a pion mean-field approach. Using the empirical data on the pion-nucleus scattering and bulk properties of…

High Energy Physics - Phenomenology · Physics 2025-07-31 Nam-Yong Ghim , Hyun-Chul Kim , Ulugbek Yakhshiev , Ghil-Seok Yang

Neutron stars are one of the most mysterious wonders in the Universe. Their extreme densities hint at new and exotic physics at work within. Gravitational waves could be the key to unlocking their secrets. In particular, a first detection…

General Relativity and Quantum Cosmology · Physics 2024-01-09 Neil Lu , Susan M. Scott , Karl Wette

The last decade has shown us that the observational properties of neutron stars are remarkably diverse. From magnetars to rotating radio transients, from radio pulsars to `isolated neutron stars,' from central compact objects to millisecond…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Victoria M. Kaspi

Astrophysical observations of compact stars provide, in addition to collider experiments, the other big source of information on matter under extreme conditions. The largest and most precise data set about neutron stars is the timing data…

Nuclear Theory · Physics 2015-06-22 Mark G. Alford , Kai Schwenzer

This paper gives an overview of the properties of all possible equilibrium sequences of compact strange-matter stars with nuclear crusts, which range from strange stars to strange dwarfs. In contrast to their non-strange counterparts,…

Astrophysics · Physics 2007-05-23 F. Weber , Ch. Schaab , M. K. Weigel , N. K. Glendenning

Observations of neutron stars, whether in binaries or in isolation, provide information about the internal structure of the most extreme material objects in the Universe. In this work, we combine information from recent observations to…

High Energy Astrophysical Phenomena · Physics 2021-08-29 Philippe Landry , Reed Essick , Katerina Chatziioannou

Neutron star interiors are a fantastic laboratory for high density physics in extreme environments. Probing this system with standard electromagnetic observations is, however, a challenging endeavour, as the radiation tends to be scattered…

General Relativity and Quantum Cosmology · Physics 2021-04-08 Brynmor Haskell , Kai Schwenzer

Probing gravity in its strongest regime is a central goal of modern physics, as the nature of the most compact objects reflects fundamental aspects of Einstein's theory of general relativity (GR). In GR, black holes are regarded as the most…

General Relativity and Quantum Cosmology · Physics 2026-05-20 Shoulong Li , H. Lü , Yong Gao , Rui Xu , Lijing Shao , Hongwei Yu

A remarkable fact about spherically-symmetric neutron stars in hydrostatic equilibrium - the so-called Schwarzschild stars - is that the only physics that they are sensitive to is the equation of state of neutron-rich matter. As such,…

Nuclear Theory · Physics 2008-02-28 J. Piekarewicz

Pulsars are among the most mysterious astrophysical objects in the Universe and are believed to be rotating neutron stars formed in supernova explosions. They are unique testing grounds of dense matter theories and gravitational physics and…

Solar and Stellar Astrophysics · Physics 2010-01-06 Plamen G. Krastev , Bao-An Li

Neutron stars are astrophysical laboratories of many extremes of physics. Their rich phenomenology provides insights into the state and composition of matter at densities which cannot be reached in terrestrial experiments. Since the core of…

High Energy Astrophysical Phenomena · Physics 2017-07-05 Vanessa Graber , Nils Andersson , Michael Hogg

We explore the unique and fascinating structure of neutron stars. Although neutron stars are of interest in many areas of Physics, our aim is to provide an intellectual bridge between Nuclear Physics and Astrophysics. We argue against the…

Nuclear Theory · Physics 2015-06-18 J. Piekarewicz

In the first of these two lectures I will discuss the rich constitution of neutron stars as a consequence of the Pauli principle which is engaged by the dominance of gravity over the nuclear force. Three especially interesting phenomena are…

Astrophysics · Physics 2008-02-03 Norman K. Glendenning

There has recently been growing evidence for the existence of neutron stars possessing magnetic fields with strengths that exceed the quantum critical field strength of $4.4 \times 10^{13}$ G, at which the cyclotron energy equals the…

Astrophysics · Physics 2009-11-11 Alice K. Harding , Dong Lai

In this conference-proceedings contribution, we review recent advances in placing model-independent constraints on the properties of cold and dense QCD matter inside neutron stars. In addition to introducing new bounds for the Equation of…

High Energy Astrophysical Phenomena · Physics 2019-04-03 Eemeli Annala , Tyler Gorda , Aleksi Kurkela , Joonas Nättilä , Aleksi Vuorinen

In the present paper we investigate self-consistently slowly rotating neutron and strange stars in R-squared gravity. For this purpose we first derive the equations describing the structure of the slowly rotating compact stars in…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Kalin V. Staykov , Daniela D. Doneva , Stoytcho S. Yazadjiev , Kostas D. Kokkotas

We have computed the properties of compact objects like neutron stars based on equation of state (EOS) deduced from a core-envelope model of superdense stars. Such superdense stars have been studied by solving the Einstein's equation based…

General Relativity and Quantum Cosmology · Physics 2026-05-05 A. C. Khunt , V. O. Thomas , P. C. Vinodkumar

We discuss the properties of neutron stars and their modifications due to the occurrence of hyperons and quarks in the core of the star. More specifically, we consider the general problem of exotic particles inside compact stars in light of…

Solar and Stellar Astrophysics · Physics 2011-12-12 S. Schramm , R. Negreiros , J. Steinheimer , T. Schürhoff , V. Dexheimer

The existence of stars with a large mass of 2 solar masses means that the equation of state is stiff enough to provide high enough pressure at large central densities. Previous work shows that such a stiff equation of state is possible if…

Nuclear Theory · Physics 2019-12-18 Vikram Soni