SOME RELATIVISTIC FIELDS OF ELECTROMAGNETIC AND GRAVITATIONAL RADIATION
Journal Article
·
· Proc. Natl. Inst. Sci. India. Pt. A
OSTI ID:4726846
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)
- Research Organization:
- Banaras Hindu Univ., Varanasi, India
- NSA Number:
- NSA-17-022367
- OSTI ID:
- 4726846
- Journal Information:
- Proc. Natl. Inst. Sci. India. Pt. A, Journal Name: Proc. Natl. Inst. Sci. India. Pt. A Vol. Vol: 28
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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