Wave beams in the magnetoelastic crust of pulsars View Full Text


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Article Info

DATE

2007-10

AUTHORS

D. M. Sedrakian, A. G. Bagdoev, M. V. Hayrapetyan

ABSTRACT

The propagation of axially symmetric magnetoelastic waves near the equatorial plane of the crust of a neutron star embedded in a transverse magnetic field is examined. The crust is treated as a solid-state plasma and waves are excited in it in the form of a transverse magnetic field applied to the inner boundary of the star’s crust. The time dependent equation is solved in a linear approximation assuming that the perturbing magnetic field is small compared to the unperturbed field. A simple, exact solution in the form of linear gaussian beams is obtained without additional conditions being imposed on the dissipation, dispersion, and narrowness of the beam, provided only that the velocity cn of these waves depends weakly on position. This last condition is satisfied for the plasma in the crust of a neutron star. As it propagates to the star’s surface, the radius of the beam remains constant. The electric currents generated by the wave beam on the star’s surface are also calculated. More... »

PAGES

451-459

References to SciGraph publications

  • 1986-01. High frequency waves in quasi-linear inviscid gasdynamics in ZEITSCHRIFT FÜR ANGEWANDTE MATHEMATIK UND PHYSIK
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s10511-007-0042-6

    DOI

    http://dx.doi.org/10.1007/s10511-007-0042-6

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1036288624


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