High Frequency Gravitational Radiation and Ringing Down of an Isolated Gravitating System

Details High Frequency Gravitational Radiation and Ringing Down of an Isolated Gravitating System High Frequency Gravitational Radiation and Ringing Down of an Isolated Gravitating System

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pthph.103.1147f&link_type=abstract

Progress of Theoretical Physics, Vol. 103, No. 6, pp. 1147-1160.

Physics

2

Scientific paper

A qualitative description is given of the gravitational field of an isolated gravitating system emitting high frequency gravitational radiation which is ended by a burst of radiation accompanied by matter travelling with the speed of light, which in turn is followed by an exponential ringing down to the field of a spherical black hole. The process we describe could conceivably be applied to the last stages of a binary neutron star collision. In this case the high frequency phase coincides with the rapid inspiral motion of the stars. This is ended by the collision, giving rise to a burst of outgoing radiation accompanied by light-like matter such as neutrinos, and then the ringing down follows when the remnant of the collision rapidly radiates away its wave-front anisotropy, and a spherical black hole is formed.

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