Physics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe.103h&link_type=abstract
"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 103-103"
Physics
Scientific paper
We present gravitational radiation parameters from neutron stars during glitches - sudden jumps in angular velocity. Thermal losses during post-glitch relaxation process were estimated and found to be much smaller than the energy involved in glitch process. We conclude that gravitational radiation is playing a crucial role in glitch energy dissipation. Two cases of gravitational radiation model were discussed: 1.non-dumping oscillations of rotating neutron stars due to fluctuations and timing noise of angular velocity and 2.oscillations without permanent energy supply. Intensity of gravitational radiation from pulsar glitches will be higher if post-glitch relaxation time is longer than dumping time of oscillations. Detection of Glitch induced gravitational radiation from pulsars have an advantage: the exact time of glitch is known from independent radio observations.
Hayrapetyan Mekhak
Sadoyan Avetis Abel
Sedrakian Lilit
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