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Related papers: Population synthesis as a probe of neutron star th…

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We perform population synthesis studies of different types of neutron stars (thermally emitting isolated neutron stars, normal radio pulsars, magnetars) taking into account the magnetic field decay and using results from the most recent…

High Energy Astrophysical Phenomena · Physics 2014-11-20 S. B. Popov , J. A. Pons , J. A. Miralles , P. A. Boldin , B. Posselt

Thermal evolution of neutron stars is known to depend on the properties of superdense matter in neutron star cores. We suggest a statistical analysis of isolated cooling middle-aged neutron stars and old transiently accreting…

Solar and Stellar Astrophysics · Physics 2015-07-16 M. V. Beznogov , D. G. Yakovlev

We study the structure and evolution of neutron stars (NS) the interiors of which are modeled using microscopic approaches and constrained by the condition that the equation of state (EoS) of matter extrapolated to high densities should not…

Astrophysics · Physics 2008-12-18 Hovik Grigorian

The origin of the local population of young, cooling neutron stars is investigated with a population synthesis model taking into account the contribution of neutron stars born in the Gould Belt, in addition to those originating in the…

Astrophysics · Physics 2016-08-30 S. B. Popov , M. Colpi , M. E. Prokhorov , A. Treves , R. Turolla

The cooling theory of neutron stars is corroborated by its comparison with observations of thermally emitting isolated neutron stars and accreting neutron stars in binary systems. An important ingredient for such an analysis is the age of…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Ramandeep Gill , Jeremy S. Heyl

We discuss a set of tests which confront observations of cooling compact objects and theories of their thermal evolution. As an example we apply the recently developed $\mathrm{Log N}$-$\mathrm{Log S}$ test of compact star cooling theories…

Astrophysics · Physics 2008-07-21 S. B. Popov , D. Blaschke , H. Grigorian , B. Posselt

We model populations of isolated neutron stars in the Galaxy following their orbital and magneto-rotational evolution. It is shown that accretors become more abundant than coolers at fluxes below $\sim 10^{-13}$ erg cm$^{-2}$ s$^{-1},$ and…

Astrophysics · Physics 2009-10-31 S. B. Popov , M. Colpi , M. E. Prokhorov , A. Treves , R. Turolla

A generic toy model of a cooling neutron star (NS) is used to analyze cooling of NSs with nucleon and exotic composition of the cores. The model contains the parameters which specify the levels of slow and enhanced neutrino emission as well…

Astrophysics · Physics 2009-11-07 D. G. Yakovlev , P. Haensel

We present a new web-tool - Net-PSICoNS - for population synthesis of isolated near-by cooling neutron stars (NSs). The main aim is to provide an easy test of models of the NS thermal evolution which can be used by groups studying this…

Solar and Stellar Astrophysics · Physics 2015-05-20 P. A. Boldin , S. B. Popov , N. Tetzlaff

The observations combined with theory of neutron star (NS) cooling play a crucial role in achieving the intriguing information of the stellar interior, such as the equation of state (EOS), composition and superfluidity of dense matter. The…

Nuclear Theory · Physics 2018-09-12 J. M. Dong , L. J. Wang , W. Zuo

Context: Isolated cooling neutron stars with thermal X-ray emission remain rarely detected objects despite many searches investigating the ROSAT data. Aims: We simulate the population of close-by young cooling neutron stars to explain the…

Astrophysics · Physics 2014-11-18 B. Posselt , S. B. Popov , F. Haberl , J. Truemper , R. Turolla , R. Neuhaeuser , P. A. Boldin

We study the thermal evolution of axisymmetric rotating neutron stars in full general relativity. To this aim we develop "NSCool 2D Rot", a major upgrade of the 1D neutron stars thermal evolution code "NSCool" by D. Page. As a first…

High Energy Astrophysical Phenomena · Physics 2023-01-18 Mikhail V. Beznogov , Jérôme Novak , Dany Page , Adriana R. Raduta

The physics of compact objects is one of the very actively developing branches of theoretical investigations, since the careful analysis of different models for the internal structure of these objects, their evolutionary characteristics and…

Astrophysics · Physics 2007-05-23 Hovik Grigorian

As shown recently by Kaminker et al. (2001), current observations of thermal emission of isolated middle-aged neutron stars (NSs) can be explained by cooling of NSs of different masses with the cores composed of neutrons, protons and…

Astrophysics · Physics 2009-11-07 D. G. Yakovlev , A. D. Kaminker , O. Y. Gnedin

Ages and thermal luminosities of neutron stars, inferred from observations, can be interpreted with the aid of the neutron star cooling theory to gain information on the properties of superdense matter in neutron-star interiors. We present…

High Energy Astrophysical Phenomena · Physics 2020-07-21 A. Y. Potekhin , D. A. Zyuzin , D. G. Yakovlev , M. V. Beznogov , Yu. A. Shibanov

There are many factors that contribute to the breaking of the spherical symmetry of a neutron star. Most notably is rotation, magnetic fields, and/or accretion of matter from companion stars. All these phenomena influence the macroscopic…

High Energy Astrophysical Phenomena · Physics 2012-05-31 Rodrigo Negreiros , Stefan Schramm , Fridolin Weber

We review current state of neutron star cooling theory and discuss the prospects to constrain the equation of state, neutrino emission and superfluid properties of neutron star cores by comparing the cooling theory with observations of…

Astrophysics · Physics 2008-11-26 D. G. Yakovlev , O. Y. Gnedin , A. D. Kaminker , A. Y. Potekhin

We introduce a new tool for 'unmasking' the composition of neutron star (NS) interiors which is based on the fact that the state of matter at high densities determines the statistics of both NS observables, the temperature-age (TA) data as…

Astrophysics · Physics 2010-11-11 D. Blaschke , H. Grigorian

We study the cooling of isolated neutron stars, employing different nuclear equations of state with or without active direct Urca process, and investigate the interplay with the nuclear pairing gaps. We find that a consistent description of…

High Energy Astrophysical Phenomena · Physics 2024-06-12 H. C. Das , Jin-Biao Wei , G. F. Burgio , H. -J. Schulze

Thermal evolution of neutron stars (NSs) is studied as a probe of physics beyond the standard model. We first review the standard cooling theory of NSs in detail, with an emphasis on the roles of nucleon superfluidity. Then we discuss…

High Energy Physics - Phenomenology · Physics 2020-03-19 Keisuke Yanagi
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