Light bending by nonlinear electrodynamics under strong electric and magnetic field

被引：21

作者：

Kim, Jin Young ^{[1
]}

Lee, Taekoon ^{[1
]}

机构：

[1] Kunsan Natl Univ, Dept Phys, Kunsan 573701, South Korea

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2011年 / 11期

关键词：

magnetic fields; neutron stars; ELECTROMAGNETIC-WAVES; VACUUM BIREFRINGENCE; PROPAGATION; POLARIZATION; PULSARS;

D O I：

10.1088/1475-7516/2011/11/017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the bending angles of light under the strong electric and magnetic fields by a charged black hole and a magnetized neutron star according to the nonlinear electrodynamics of Euler-Heisenberg interaction. The bending angle of light by the electric field of charged black hole is computed from geometric optics and a general formula is derived for light bending valid for any orientation of the magnetic dipole. The astronomical significance of the light bending by magnetic field of a neutron star is discussed.

引用

页数：14

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