Results 11 to 20 of about 107,571 (269)

HOW FAR CAN GET FRB PROGENITOR NEUTRON STARS FROM THEIR BIRTHPLACE?

open access: yesВестник. Серия физическая, 2021
The recent studies show evidence of magnetars – young neutron stars being good candidates of fast radio birth sources. Neutron stars can form as remnants of type II supernovae explosions of young stars.
A. Otebay, M. Kalambay, B. Shukirgaliyev
doaj   +1 more source

Hyperon-Mixed Neutron Star Matter and Neutron Stars [PDF]

open access: yesProgress of Theoretical Physics, 2002
Effective Σ − n and Σ − Σ − interactions are derived fromthe G-matrix calculations for {n+Σ − } matter and employed in the investigation of hyperon mixing in neutron star matter. The threshold densities ρt(Y ) at which hyperons start to appear are between 2ρ0 and 3ρ0 (where ρ0 is the normal nuclear density) for both Λ and Σ − , and their fractions ...
Nishizaki, Shigeru   +2 more
openaire   +2 more sources

PROTO-NEUTRON AND NEUTRON STARS [PDF]

open access: yesAstronomy and Relativistic Astrophysics, 2010
Prepared for International Workshop on Astronomy and Relativistic Astrophysics (IWARA 2007), Joao Pessoa, Brazil, 3-6 Oct ...
Dexheimer, V., Schramm, S., Stoecker, H.
openaire   +2 more sources

Neutron Stars—Thermal Emitters [PDF]

open access: yesSpace Science Reviews, 2014
Confronting theoretical models with observations of thermal radiation emitted by neutron stars is one of the most important ways to understand the properties of both, superdense matter in the interiors of the neutron stars and dense magnetized plasmas in their outer layers.
Potekhin, Alexander Y.   +2 more
openaire   +4 more sources

Binary Neutron Stars with Arbitrary Spins in Numerical Relativity [PDF]

open access: yes, 2015
We present a code to construct initial data for binary neutron star systems in which the stars are rotating. Our code, based on a formalism developed by Tichy, allows for arbitrary rotation axes of the neutron stars and is able to achieve rotation rates ...
Duez, Matt D.   +10 more
core   +3 more sources

Neutron–Mirror-Neutron Oscillation and Neutron Star Cooling

open access: yesPhysical Review Letters, 2022
It was pointed out in a recent paper that the observed cooling rate of old, cold neutron stars (NS) can provide an upper limit on the transition rate of neutron to mirror neutron ($n-n'$). This limit is so stringent that it would preclude any discovery of $n \to n'$ oscillation in the current round of terrestrial searches for the process.
Itzhak Goldman   +3 more
openaire   +3 more sources

How to identify a Strange Star [PDF]

open access: yes, 1998
Contrary to young neutron stars, young strange stars are not subject to the r-mode instability which slows rapidly rotating, hot neutron stars to rotation periods near 10 ms via gravitational wave emission.
A. Goyal   +22 more
core   +2 more sources

STRANGENESS IN NEUTRON STARS [PDF]

open access: yesInternational Journal of Modern Physics D, 2007
It is generally agreed on that the tremendous densities reached in the centers of neutron stars provide a high-pressure environment in which several intriguing particles processes may compete with each other. These range from the generation of hyperons to quark deconfinement to the formation of kaon condensates and H-matter.
Weber, Fridolin   +3 more
openaire   +2 more sources

Neutron Star–Neutron Star and Neutron Star–Black Hole Mergers: Multiband Observations and Early Warnings

open access: yesThe Astrophysical Journal, 2022
Abstract The detections of gravitational waves (GWs) from binary neutron star systems and neutron star–black hole systems provide new insights into dense matter properties in extreme conditions and associated high-energy astrophysical processes.
Chang Liu, Lijing Shao
openaire   +2 more sources

Detectability of Continuous Gravitational Waves from Magnetically Deformed Neutron Stars

open access: yesGalaxies, 2021
Neutron stars are known to contain extremely powerful magnetic fields. Their effect is to deform the shape of the star, leading to the potential emission of continuous gravitational waves.
Jacopo Soldateschi, Niccolò Bucciantini
doaj   +1 more source

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