Gravitational waves from extreme mass ratio inspirals in nonpure Kerr spacetimes
Abstract
To investigate the imprint on the gravitationalwave emission from extreme mass ratio inspirals (EMRIs) in nonpure Kerr spacetimes, we have studied the kludge waveforms generated in highly accurate, numerically generated spacetimes containing a black hole and a selfgravitating, homogeneous torus with comparable mass and spin. In order to maximize their impact on the produced waveforms, we have considered tori that are compact, massive, and close to the central black hole, investigating under what conditions the LISA experiment could detect their presence. Our results show that for a large portion of the space of parameters the waveforms produced by EMRIs in these black holetorus systems are indistinguishable from pure Kerr waveforms. Hence, a 'confusion problem' will be present for observations carried out over a time scale below or comparable to the dephasing time.
 Authors:
 SISSA, International School for Advanced Studies and INFN, Trieste (Italy)
 MaxPlanckInstitut fuer Gravitationsphysik, AlbertEinsteinInstitut, PotsdamGolm (Germany)
 (United States)
 TheoretischPhysikalisches Institut, University of Jena, Jena (Germany)
 Publication Date:
 OSTI Identifier:
 21020172
 Resource Type:
 Journal Article
 Resource Relation:
 Journal Name: Physical Review. D, Particles Fields; Journal Volume: 75; Journal Issue: 6; Other Information: DOI: 10.1103/PhysRevD.75.064026; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
 Country of Publication:
 United States
 Language:
 English
 Subject:
 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BLACK HOLES; COSMOLOGY; GRAVITATIONAL WAVES; KERR METRIC; MASS; SPACETIME; SPIN; WAVE FORMS
Citation Formats
Barausse, Enrico, Rezzolla, Luciano, Department of Physics, Louisiana State University, Baton Rouge, Petroff, David, and Ansorg, Marcus. Gravitational waves from extreme mass ratio inspirals in nonpure Kerr spacetimes. United States: N. p., 2007.
Web. doi:10.1103/PHYSREVD.75.064026.
Barausse, Enrico, Rezzolla, Luciano, Department of Physics, Louisiana State University, Baton Rouge, Petroff, David, & Ansorg, Marcus. Gravitational waves from extreme mass ratio inspirals in nonpure Kerr spacetimes. United States. doi:10.1103/PHYSREVD.75.064026.
Barausse, Enrico, Rezzolla, Luciano, Department of Physics, Louisiana State University, Baton Rouge, Petroff, David, and Ansorg, Marcus. Thu .
"Gravitational waves from extreme mass ratio inspirals in nonpure Kerr spacetimes". United States.
doi:10.1103/PHYSREVD.75.064026.
@article{osti_21020172,
title = {Gravitational waves from extreme mass ratio inspirals in nonpure Kerr spacetimes},
author = {Barausse, Enrico and Rezzolla, Luciano and Department of Physics, Louisiana State University, Baton Rouge and Petroff, David and Ansorg, Marcus},
abstractNote = {To investigate the imprint on the gravitationalwave emission from extreme mass ratio inspirals (EMRIs) in nonpure Kerr spacetimes, we have studied the kludge waveforms generated in highly accurate, numerically generated spacetimes containing a black hole and a selfgravitating, homogeneous torus with comparable mass and spin. In order to maximize their impact on the produced waveforms, we have considered tori that are compact, massive, and close to the central black hole, investigating under what conditions the LISA experiment could detect their presence. Our results show that for a large portion of the space of parameters the waveforms produced by EMRIs in these black holetorus systems are indistinguishable from pure Kerr waveforms. Hence, a 'confusion problem' will be present for observations carried out over a time scale below or comparable to the dephasing time.},
doi = {10.1103/PHYSREVD.75.064026},
journal = {Physical Review. D, Particles Fields},
number = 6,
volume = 75,
place = {United States},
year = {Thu Mar 15 00:00:00 EDT 2007},
month = {Thu Mar 15 00:00:00 EDT 2007}
}

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