Gravitational Wave Signals from Chaotic System: A Point Mass with A Disk

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dc.creatorKiuchi, Kenta
dc.creatorKoyama, Hiroko
dc.creatorMaeda, Kei-ichi
dc.date2007-04-05
dc.date2007-08-28
dc.date.accessioned2026-07-07T10:59:25Z
dc.date.available2026-07-07T10:59:25Z
dc.descriptionWe study gravitational waves from a particle moving around a system of a point mass with a disk in Newtonian gravitational theory. A particle motion in this system can be chaotic when the gravitational contribution from a surface density of a disk is comparable with that from a point mass. In such an orbit, we sometimes find that there appears a phase of the orbit in which particle motion becomes to be nearly regular (the so-called ``stagnant motion'') for a finite time interval between more strongly chaotic phases. To study how these different chaotic behaviours affect on observation of gravitational waves, we investigate a correlation of the particle motion and the waves. We find that such a difference in chaotic motions reflects on the wave forms and energy spectra. The character of the waves in the stagnant motion is quite different from that either in a regular motion or in a more strongly chaotic motion. This suggests that we may make a distinction between different chaotic behaviours of the orbit via the gravitational waves.
dc.descriptionPublished in Phys.Rev.D76:024018,2007
dc.identifierhttps://arxiv.org/abs/0704.0719
dc.identifierhttp://arxiv.org/abs/0704.0719
dc.identifierPhys.Rev.D76:024018,2007
dc.identifierdoi:10.1103/PhysRevD.76.024018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187392
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAstrophysics
dc.titleGravitational Wave Signals from Chaotic System: A Point Mass with A Disk
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