English
Related papers

Related papers: Resonance nonlinear reflection from neutron star a…

200 papers

Having no any explanations the radiation of high-frequency components of the pulsar in the Crab Nebula can be a manifestation of instability in the nonlinear reflection from the neutron star surface. Reflected radiation it is the radiation…

High Energy Astrophysical Phenomena · Physics 2017-02-07 Victor M. Kontorovich

A new mechanism of radiation emission in the polar gap of a pulsar is proposed. It is the curvature radiation which is emitted by returning positrons moving toward the surface of the neutron star along field lines of the inclined magnetic…

High Energy Astrophysical Phenomena · Physics 2017-08-28 Victor M. Kontorovich , Sergii V. Trofymenko

Equations for the neutron reflection amplitude from a magnetic non-collinear wave resonator (NWR) are obtained. It is shown that resonances of the same reflection order of neutrons experiencing spin-flip (spin-flip neutrons) appear in…

Instrumentation and Detectors · Physics 2011-04-07 Yu. N. Khaydukov , Yu. V. Nikitenko

Resonant cyclotron scattering of the surface radiation in the magnetospheres of neutron stars may considerably modify the emergent spectra and impede efforts to constraint neutron star properties. Resonant cyclotron scattering by a…

Astrophysics · Physics 2009-11-11 Maxim Lyutikov , Fotis P. Gavriil

A number of disparate observational and theoretical pieces of evidence indicate that, contrary to the conventional wisdom, neutron stars' closed field lines are populated by dense, hot plasma and may be responsible for producing some radio…

Astrophysics · Physics 2008-11-26 Maxim Lyutikov

In this paper we present, for the first time, simulated maps of the circularly polarized synchrotron emission from the Crab nebula, using multidimensional state of the art models for the magnetic field geometry. Synchrotron emission is the…

High Energy Astrophysical Phenomena · Physics 2018-01-31 N. Bucciantini , B. Olmi

The pulsar radio emission is commonly associated with the plasma outflow in the open field line tube; then a pencil beam is emitted along the pulsar magnetic axis. Observations suggest that there is an additional radio emission mechanism…

High Energy Astrophysical Phenomena · Physics 2018-12-12 Yuri Lyubarsky

The pulsed radiation from the Crab pulsar consists of the main pulse (MP) and inter pulse (IP), as well as of the extra pulse components appearing at certain frequencies. It has been studied at many frequencies and contains unique…

High Energy Astrophysical Phenomena · Physics 2017-01-24 Victor M. Kontorovich , Sergii V. Trofymenko

The Crab Nebula emits bright non-thermal radiation from radio to the most energetic photons. The underlying physical model of a relativistic wind from the pulsar terminating in a hydrodynamic standing shock remains unchanged since the early…

High Energy Astrophysical Phenomena · Physics 2023-03-08 Ludmilla Dirson , Dieter Horns

The Crab Nebula is likely to be expanding into freely expanding supernova ejecta, although the energy in the ejecta may be less than is typical for a Type II supernova. Pulsar nebulae much younger than the Crab have not been found and could…

Astrophysics · Physics 2007-05-23 Roger A. Chevalier

The theory of magnetized induced scattering off relativistic gyrating particles is developed. It is directly applicable to the magnetosphere of a pulsar, in which case the particles acquire gyration energies as a result of resonant…

Astrophysics · Physics 2009-11-13 S. A. Petrova

The radiation of a pulsar wind is computed assuming that at roughly 10 to 100 light cylinder radii from the star, magnetic energy is dissipated into particle energy. The synchrotron emission of heated particles appears periodic, with, in…

Astrophysics · Physics 2009-11-07 J. G. Kirk , O. Skjaeraasen , Y. A. Gallant

I. There is growing evidence that pulsars' high energy emission is generated via Inverse Compton mechanism. II. The particles producing Crab flares, and possibly most of the Crab Nebula's high energy emission, are accelerated via…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Maxim Lyutikov

We interpret $\gamma$-ray flares from the Crab Nebula as the signature of turbulence in the pulsar's electromagnetic outflow. Turbulence is triggered upstream by dynamical instability of the wind's oscillating magnetic field, and…

High Energy Astrophysical Phenomena · Physics 2016-06-01 Jonathan Zrake

The Crab Nebula demonstrates that neutron stars can interact with their environments in spectacular fashion, their relativistic winds generating nebulae observable across the electromagnetic spectrum. At many previous conferences,…

Astrophysics · Physics 2007-05-23 Bryan M. Gaensler

The synchrotron emission observed in plerions depends on the characteristics of the magnetic fields and relativistic electrons in these supernova remnants. Therefore an analysis of the spectral and spatial properties of this emission,…

Astrophysics · Physics 2007-05-23 Rino Bandiera

Our high time resolution observations of individual pulses from the Crab pulsar show that the main pulse and interpulse differ in temporal behavior, spectral behavior, polarization and dispersion. The main pulse properties are consistent…

Astrophysics · Physics 2009-06-23 J. A. Eilek , T. H. Hankins

High-quality spatially resolved spectra of synchrotron emission from plerions represent a powerful diagnostic tool for the physical conditions in these objects. A fundamental question is to what extent spatial variations of the synchrotron…

Astrophysics · Physics 2007-05-23 Rino Bandiera

The induced Compton scattering of radio emission off the particles of the ultrarelativistic electron-positron plasma in the open field line tube of a pulsar is considered. We examine the scattering of a bright narrow radio beam into the…

Solar and Stellar Astrophysics · Physics 2009-11-13 S. A. Petrova

We model the inner knot of the Crab Nebula as a synchrotron emission coming from the non-spherical MHD termination shock of relativistic pulsar wind. The post-shock flow is mildly relativistic; as a result the Doppler-beaming has a strong…

High Energy Astrophysical Phenomena · Physics 2015-12-23 Maxim Lyutikov , Serguei Komissarov , Oliver Porth
‹ Prev 1 2 3 10 Next ›