Physics
Scientific paper
Feb 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005tmgm.meet.1802m&link_type=abstract
The Tenth Marcel Grossmann Meeting. Proceedings of the MG10 Meeting held at Brazilian Center for Research in Physics (CBPF), Rio
Physics
Scientific paper
Relativistic induced compression of compact objects as they accelerate with respect to a background metric has been confirmed in exact axisymmetric relativity. We review the physics which induces this effect. We present results for a new paradigm involving a carbon-oxygen white dwarf as it passes or orbits near a black hole. In this case relativistic compression can cause the central density to exceed the threshold for pycnonuclear reactions. A thermonuclear runaway ensues similar to that of a type Ia supernova, but the event is more energetic and deposits a lot of energy in and around the black hole. Simulations and estimated event rates are made for white dwarfs orbiting a low-mass black hole, white dwarfs encountering a massive black hole in a dense globular cluster, and white dwarfs passing a supermassive black hole in a dense galactic core. These suggest that events involving a supermassive black hole in a dense cluster are probably the most frequent. Some observable signatures are proposed.
Mathews Grant J.
Wilson Richard J.
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