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  The 3-dimensional Einstein-Klein-Gordon system in characteristic numerical relativity

Barreto, W., Da Silva, A., Gomez, R., Lehner, L., Rosales, L., & Winicour, J. (2005). The 3-dimensional Einstein-Klein-Gordon system in characteristic numerical relativity. Physical Review D, 71(6): 064028. Retrieved from http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRVDAQ000071000006064028000001&idtype=cvips&gifs=yes.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4E3E-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4E40-9
Genre: Journal Article

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0412066.pdf (Preprint), 533KB
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 Creators:
Barreto, W., Author
Da Silva, A., Author
Gomez, Roberto, Author
Lehner, Luis, Author
Rosales, L.1, Author              
Winicour, J.2, Author
Affiliations:
1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24012              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              

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 Abstract: We incorporate a massless scalar field into a 3-dimensional code for the characteristic evolution of the gravitational field. The extended 3-dimensional code for the Einstein--Klein--Gordon system is calibrated to be second order convergent. It provides an accurate calculation of the gravitational and scalar radiation at infinity. As an application, we simulate the fully nonlinear evolution of an asymmetric scalar pulse of ingoing radiation propagating toward an interior Schwarzschild black hole and compute the backscattered scalar and gravitational outgoing radiation patterns. The amplitudes of the scalar and gravitational outgoing radiation modes exhibit the predicted power law scaling with respect to the amplitude of the initial data. For the scattering of an axisymmetric scalar field, the final ring down matches the complex frequency calculated perturbatively for the ell=2 quasinormal mode.

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Language(s): eng - English
 Dates: 2005-03
 Publication Status: Published in print
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 71 (6) Sequence Number: 064028 Start / End Page: - Identifier: -