GRAVITATIONAL SCATTERING OF ELECTROMAGNETIC RADIATION
1980Citations per year
Abstract: (Springer)
The scattering of electromagnetic radiation by linearized gravitational fields is studied to second order in a perturbation expansion. The incoming electromagnetic radiation can be of arbitrary multipole structure, and the gravitational fields are also taken to be advanced fields of arbitrary multipole structure. All electromagnetic multipole radiation is found to be scattered by gravitational monopole and time-varying dipole fields. No case has been found, however, in which any electromagnetic multipole radiation is scattered by gravitational fields of quadrupole or higher-order multipole structure. This lack of scattering is established for infinite classes of special cases, and is conjectured to hold in general. The results of the scattering analysis are applied to the case of electromagnetic radiation scattered by a moving mass. It is shown how the mass and velocity may be determined by a knowledge of the incident and scattered radiation.- GRAVITATION: EFFECT
- RADIATION: ELECTROMAGNETIC
- RADIATION: INTERACTION
- INTERACTION: RADIATION
- RADIATION: MULTIPOLE
- PERTURBATION THEORY
- ELECTROMAGNETIC FIELD
- Einstein-Maxwell equation
- BACKGROUND
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