• DOI:10.1103/PhysRevD.74.024010
Corpus ID: 119364634

Why gravitational contraction must be accompanied by emission of radiation in both Newtonian and Einstein gravity

@article{Mitra2006WhyGC,
  title={Why gravitational contraction must be accompanied by emission of radiation in both Newtonian and Einstein gravity},
  author={A. Mitra},
  journal={Physical Review D},
  year={2006},
  volume={74},
  pages={024010}
}

A. Mitra

Published 2006

Physics

Physical Review D

(and not just the Newtonian gravitational potential energy E N g ) decreases for such contraction. In the era of General Relativity (GR) too, it is justifiably believed that gravitational contraction must release radiation energy. However no GR version of (Newtonian) Helmholtz- Kelvin (HK) process has ever been derived. Here, for the first time, we derive the GR version of the appropriate virial theorem and Helmholtz Kelvin mechanism by simply equating the well known expressions for the… CONTINUE READING

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