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  Single-domain spectral method for black hole puncture data

Ansorg, M., Brügmann, B., & Tichy, W. (2004). Single-domain spectral method for black hole puncture data. Physical Review D, 70(6): 064911. doi:10.1103/PhysRevD.70.064011.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4FE1-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4FE2-8
Genre: Journal Article

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e064011.pdf (Publisher version), 548KB
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 Creators:
Ansorg, Marcus1, Author
Brügmann, Bernd, Author
Tichy, Wolfgang, Author
Affiliations:
1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24012              

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 Abstract: We calculate puncture initial data corresponding to both single and binary black hole solutions of the constraint equations by means of a pseudospectral method applied in a single spatial domain. Introducing appropriate coordinates, these methods exhibit rapid convergence of the conformal factor and lead to highly accurate solutions. As an application we investigate small mass ratios of binary black holes and compare these with the corresponding test mass limit that we obtain through a semianalytical limiting procedure. In particular, we compare the binding energy of puncture data in this limit with that of a test particle in the Schwarzschild spacetime and find that it deviates by 50% from the Schwarzschild result at the innermost stable circular orbit of Schwarzschild, if the ADM mass at each puncture is used to define the local black hole masses.

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 Dates: 2004-09
 Publication Status: Published in print
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Title: Physical Review D
  Alternative Title : Phys. Rev. D
Source Genre: Journal
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Pages: - Volume / Issue: 70 (6) Sequence Number: 064911 Start / End Page: - Identifier: ISSN: 0556-2821