The nonlinear-electrodynamic bending of the x-ray and gamma-ray in the magnetic field of pulsars and magnetars

Details The nonlinear-electrodynamic bending of the x-ray and gamma-ray in the magnetic field of pulsars and magnetars The nonlinear-electrodynamic bending of the x-ray and gamma-ray in the magnetic field of pulsars and magnetars

2001-10-31

arxiv.org/abs/astro-ph/0110705v1

Dokl.Akad.Nauk Ser.Fiz. 380 (2001) 435

Astronomy and Astrophysics

Astrophysics

7 pages, TeX

Scientific paper

It was shown that according to the non-linear electrodynamics of vacuum electromagnetic rays should bend in the field of magnetic dipole. The angles of ray bending in the gravitational and magnetic fields of pulsars and magnetars were obtained. In the case of pulsars with $b\sim R\sim $ 100 km, $B_0\sim 10^{13} G$ the value of the angle of non-linear electrodynamic bending of a ray in the Heisenberg-Euler theory will reach the value of $\delta \psi_{NED}\sim 30'',$ and in the case of a magnetar with $B_0\sim 10^{15} G$ the angle $\delta \psi_{NED}$ will increase to $\delta \psi_{NED}\sim 1 rad\sim 60^\circ .$ The angle of gravitational bending of a ray at neutron star with $r_g$ = 3 km in the same conditions will be equal to $\delta \psi_g\sim 0.06$ rad $\sim 4^\circ >.$ Observations can only be made in X- rays and gamma-rays, for which the agnetosphere is quite opaque. Because the distance from the Earth to the well-known pulsars and magnetars is too large to observe the pure effect of a ray bending. The non-linear electrodynamic bending of a ray as well as the gravitational bending will be revealed in the effect of lensing.

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