Geodesic
Investigation of the Effective Space-Time of the Vacuum Nonlinear Electrodynamics in a Magnetic Dipole Field
Teoretičeskaâ i matematičeskaâ fizika, Tome 132 (2002) no. 2, pp. 211-221 Cet article a éte moissonné depuis la source Math-Net.Ru

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The metric tensor of the effective pseudo-Riemannian space-time for an electromagnetic wave propagating in the magnetic dipole field and the gravitational field of a neutron star is obtained within a parameterized post-Maxwellian vacuum electrodynamics. The angles of the nonlinear electrodynamic and gravitational ray bending for electromagnetic waves propagating in the magnetic equatorial plane of the star are calculated based on an analysis of isotropic geodesics of this space. We show that for all nonlinear theories whose post-Maxwellian parameters do not coincide, the velocity of the electromagnetic signal propagation in external fields and the rays along which these signals propagate depend on the polarization of the electromagnetic waves. The difference of the source-to-detector propagation time of these signals for two principal polarization states is calculated.
Keywords: nonlinear vacuum electrodynamics, effective space-time, neutron star, bending of light. 
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     author = {V. I. Denisov},
     title = {Investigation of the {Effective} {Space-Time} of the {Vacuum} {Nonlinear} {Electrodynamics} in {a~Magnetic} {Dipole} {Field}},
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V. I. Denisov. Investigation of the Effective Space-Time of the Vacuum Nonlinear Electrodynamics in a Magnetic Dipole Field. Teoretičeskaâ i matematičeskaâ fizika, Tome 132 (2002) no. 2, pp. 211-221. http://geodesic.mathdoc.fr/item/TMF_2002_132_2_a2/

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