Multidimensional Resonant Cyclotron Scattering and the Quiescent X-ray Emission from Magnetars

Details Multidimensional Resonant Cyclotron Scattering and the Quiescent X-ray Emission from Magnetars Multidimensional Resonant Cyclotron Scattering and the Quiescent X-ray Emission from Magnetars

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..983..295f&link_type=abstract

40 YEARS OF PULSARS: Millisecond Pulsars, Magnetars and More. AIP Conference Proceedings, Volume 983, pp. 295-297 (2008).

Physics

Neutron Stars, Pulsars, X-Ray Sources, X-Ray Bursts, Magnetohydrodynamics And Plasmas

Scientific paper

In a magnetar, the dominant magnetospheric source of opacity for soft X-ray photons is resonant cyclotron scattering. The differential cross-section for this process is strongly angle-dependent, which implies that geometry plays a key role in shaping spectra and pulse profiles as measured by a distant observer. Here provide an overview of our work on multidimensional simulations involving the transfer of X-ray photons through a twisted magnetosphere, and discuss the generic features of the resulting spectra and pulse profiles, with their dependence on the particle energy distribution.

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