Home News About Us Contact Contributors Disclaimer Privacy Policy Help FAQ

Home
Search
Quick Search
Advanced
Fulltext
Browse
Collections
Persons
My eDoc
Session History
Login
Name:
Password:
Documentation
Help
Support Wiki
Direct access to
document ID:


          Institute: MPI für Gravitationsphysik     Collection: Astrophysical Relativity     Display Documents



  history
ID: 398245.0, MPI für Gravitationsphysik / Astrophysical Relativity
Comparison between numerical-relativity and post-Newtonian waveforms from spinning binaries: The orbital hang-up case
Authors:Hannam, Mark; Husa, Sascha; Brügmann, Bernd; Gopakumar, Achamveedu
Date of Publication (YYYY-MM-DD):2008-11-07
Title of Journal:Physical Review D
Volume:78
Issue / Number:10
Sequence Number of Article:104007
Review Status:not specified
Audience:Not Specified
Abstract / Description:We compare results from numerical simulations of spinning binaries in the “orbital hang-up” case, where the binary completes at least nine orbits before merger, with post-Newtonian results using the approximants Taylor T1, T4, and Et. We find that, over the ten cycles before the gravitational-wave frequency reaches Momega=0.1, the accumulated phase disagreement between numerical relativity (NR) and 2.5 post-Newtonian (PN) results is less than three radians, and is less than 2.5 radians when using 3.5PN results. The amplitude disagreement between NR and restricted PN results increases with the black holes' spin, from about 6% in the equal-mass case to 12% when the black holes' spins are Si/Mi2=0.85. Finally, our results suggest that the merger waveform will play an important role in estimating the spin from such inspiral waveforms.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
Identifiers:ISSN:1089-4918
URL:http://link.aps.org/doi/10.1103/PhysRevD.78.104007
DOI:10.1103/PhysRevD.78.104007
Full Text:
You have privileges to view the following file(s):
PRD78-104007.pdf  [376,00 Kb] [Comment:Online Journal]  
 
The scope and number of records on eDoc is subject to the collection policies defined by each institute - see "info" button in the collection browse view.