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Related papers: Effects of Neutron-Antineutron Transitions in Neut…

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Phase transitions in neutron stars due to formation of quark matter, kaon condensates, etc. are discussed with particular attention to the order of these transitions. Observational consequences of phase transitions in pulsar angular…

Astrophysics · Physics 2007-05-23 Henning Heiselberg , Morten Hnorth-Jensen

The effect of rotation on the cooling of neutron stars is investigated. The thermal evolution equations are solved in two dimensions with full account of general relativistic effects. It is found that rotation is particularly important in…

Astrophysics · Physics 2007-05-23 Ch. Schaab , M. K. Weigel

The neutron to mirror neutron transitions in neutron stars would possibly result in significant effects. In this work we show that collisional decoherence entails exponential relaxation in lieu of oscillations. Decoherence is a great many…

High Energy Physics - Phenomenology · Physics 2026-03-13 B. O. Kerbikov

Various theoretical arguments motivate an expectation of a phase transition in matter at extreme densities above nuclear density, accompanied by hopes that gravitational wave observations may reveal the properties of such a transition.…

General Relativity and Quantum Cosmology · Physics 2021-06-09 Steven L. Liebling , Carlos Palenzuela , Luis Lehner

As rotating neutron stars slow down, the pressure and the density in the core region increase due to the decreasing centrifugal forces and phase transitions may occur in the center. We extract the analytic behavior near the critical angular…

Astrophysics · Physics 2008-11-26 H. Heiselberg , M. Hjorth-Jensen

Nuclear reactions heat and cool the crust of accreting neutron stars and need to be understood to interpret observations of X-ray bursts and of long-term cooling in transiently accreting systems. It was recently suggested that previously…

High Energy Astrophysical Phenomena · Physics 2022-02-16 H. Schatz , Z. Meisel , E. F. Brown , S. S. Gupta , G. W. Hitt , W. R. Hix , R. Jain , R. Lau , P. Möller , W. -J. Ong , P. S. Shternin , Y. Xu , M. Wiescher

I suggest a novel type of nuclear reactions in accreting neutron stars - neutron transfer, which is quantum tunneling of weakly bounded neutron from one nucleus to another. I estimate the rate of this process for fixed nuclei separation and…

Nuclear Theory · Physics 2018-12-07 Andrey I. Chugunov

Neutron stars in X-ray binary systems are fascinating objects that display a wide range of timing and spectral phenomena in the X-rays. Not only parameters of the neutron stars, like magnetic field strength and spin period evolve in their…

High Energy Astrophysical Phenomena · Physics 2017-09-22 Biswajit Paul

In this paper, we discuss the impact of rotation on the particle composition of rotating neutron stars (pulsars). Particular emphasis is put on the formation of quark matter during stellar spin-down, driven by continuous gravitational…

High Energy Astrophysical Phenomena · Physics 2017-09-06 R. D. Mellinger , F. Weber , W. Spinella , G. A. Contrera , M. Orsaria

Influences of the mass, moment of inertia, rotation, absence of stability in the atmosphere and some other parameters of neutron stars on the evolution of pulsars are examined. It is shown that the locations and evolutions of soft gamma…

Astrophysics · Physics 2009-11-10 Oktay H. Guseinov , Askin Ankay , Sevinc O. Tagieva

As neutron star - black hole binaries are expected to be discovered through future pulsar surveys using upcoming facilities, it is necessary to understand various observable properties of such systems. In the present work, we study the…

Solar and Stellar Astrophysics · Physics 2012-12-12 Manjari Bagchi

We briefly review recent theoretical studies of the effects of accreted envelopes, magnetic fields and crustal superfluidity on the cooling of neutron stars. These effects are especially important for slowly cooling low-mass neutron stars,…

Astrophysics · Physics 2007-05-23 G. Chabrier , A. Y. Potekhin , D. G. Yakovlev

The mass loss in putative neutron star to mixed neutron - mirror neutron star transition implies a significant change of orbital period. The precise constancy of the latter can restrict scenarios recently suggested where neutron to mirror…

High Energy Physics - Phenomenology · Physics 2020-11-26 Itzhak Goldman , Rabindra N. Mohapatra , Shmuel Nussinov

We consider combined rotational, magnetic, and thermal evolution of the neutron star during the accretion phase in a binary system. A rapid accretion-driven decay of the magnetic field decreases substantially the efficiency of angular…

High Energy Astrophysical Phenomena · Physics 2015-07-14 Alfio Bonanno , Vadim Urpin

We have developed the anisotropic heat transport equation for rotating neutron stars. With a simple model of neutron star, we also model the propagation of heat pulses result from transient energy releases inside the star. Even in slow…

Astrophysics · Physics 2007-05-23 C. Y. Hui , K. S. Cheng

The authors take the rotochemical heating effect into account, which may make the cooling scenario different. Their model is consistent with the observation data.

High Energy Astrophysical Phenomena · Physics 2010-05-26 Chun-Mei Pi

In the presence of strong magnetic field reported to have been observed on the surface of some neutron stars and on what are called Magnetars, a host of physical phenomenon from the birth of a neutron star to free streaming neutrino cooling…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ashok Goyal

In this talk, after briefly reviewing some historical remarks concerning strange stars, the achievements in physics and dynamical behavior of strange stars are discussed. Especially, various observational effects in distinguishing strange…

Astrophysics · Physics 2007-05-23 T. Lu

In this paper we review the basics of magneto-rotational properties of neutron stars focusing on spin-up/spin-down behavior at different evolutionary stages. The main goal is to provide equations for the spin frequency changes in various…

High Energy Astrophysical Phenomena · Physics 2024-02-08 P. Abolmasov , A. V. Biryukov , S. B. Popov

Axial anomalous contributions into neutrino PBF losses due to triplet pairing of neutrons are still ignored in modeling the evolution of neutron stars. In this paper, the influence of the anomalous axial contributions onto the rate of…

Nuclear Theory · Physics 2017-12-29 Lev B Leinson
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