Redshift modification of pulsars and magnetars by relativistic plasmas and vacuum polarization. (English) Zbl 1301.85006
Summary: The redshifts of emissions from pulsars and magnetars consist of two components: gravitational and non-gravitational redshifts. The latter results from the electromagnetic and kinetic effects of relativistic plasmas, characterized by refractive indices and streaming velocities of the media, respectively. The vacuum polarization effect induced by strong magnetic fields can modify the refractive indices of the media, and thus leads to a modification to the redshifts. The Gordon effective metric is introduced to study the redshifts of emissions. The modification of the gravitational redshift, caused by the effects of relativistic plasmas and vacuum polarization, is obtained.
MSC:
| 85A40 | Astrophysical cosmology |
| 85A25 | Radiative transfer in astronomy and astrophysics |
| 83F05 | Relativistic cosmology |
| 83B05 | Observational and experimental questions in relativity and gravitational theory |
| 82D10 | Statistical mechanics of plasmas |
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