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- W53646936 abstract "Einstein's field equations for empty space-time admit solutions, in the linear approximation, that may be interpreted as describing plane gravitational waves. In order to study the non-linear effects, the linearized field is considered as a starting point for exact calculations and its gravitational significance is examined in the light of Einstein's field equations. The perfect fluid hypothesis leads to a new metric form for the Einstein universe. When the metric potentiais are functions of the argument t 450 deg C in a x, they describe null electromagnetic fields. In particular, a space-time metric for a uniform null electromagnetic field was obtained. The empty significance conditions lead, in general, to fields of pure gravitational radiation. The physical significance of a particular solution, describing gravitational radiation, was discussed by means of equations of geodesics and geodesic deviations. It is also shown that the gravitational waves possess a positive pseudo-energy density. (auth)" @default.
- W53646936 created "2016-06-24" @default.
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- W53646936 date "1962-05-26" @default.
- W53646936 modified "2023-10-16" @default.
- W53646936 title "SOME RELATIVISTIC FIELDS OF ELECTROMAGNETIC AND GRAVITATIONAL RADIATION" @default.
- W53646936 hasPublicationYear "1962" @default.
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