Gravitational radiation from differentially rotating white dwarfs

Details Gravitational radiation from differentially rotating white dwarfs Gravitational radiation from differentially rotating white dwarfs

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cqgra..21.5493s&link_type=abstract

Classical and Quantum Gravity, Volume 21, Issue 23, pp. 5493-5502 (2004).

Mathematics

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Scientific paper

We examine the possibility of gravitational radiation from white dwarfs undergoing self-similar oscillations which are fed by the energy of the differential rotation of the white dwarf. We consider two typical cases of angular momentum distribution. Assuming the energy of the self-similar oscillations causing gravitational wave emission is about 1% of the energy dissipated in the differentially rotating white dwarf, the strain amplitudes are found to be less than 10-27 for a white dwarf at ~50 pc. Combined with the mechanism of gravitational radiation based on deformation energy from magnetic white dwarfs, the gravitational radiation from differentially rotating white dwarfs may produce a confusion limited foreground above the stochastic cosmological background for proposed advanced detectors in the decihertz frequency band.

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