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Binary Neutron Stars in Quasi-Equilibrium Circular Orbit: A Fully Relativistic Treatment

Baumgarte, T. W. and Shapiro, S. L. and Cook, G. B. and Scheel, M. A. and Teukolsky, S. A. (1997) Binary Neutron Stars in Quasi-Equilibrium Circular Orbit: A Fully Relativistic Treatment. . (Unpublished) https://resolver.caltech.edu/CaltechAUTHORS:20190918-094403809

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Abstract

We present a numerical scheme that solves the initial value problem in full general relativity for a binary neutron star in quasi-equilibrium. While Newtonian gravity allows for a strict equilibrium, a relativistic binary system emits gravitational radiation, causing the system to lose energy and slowly spiral inwards. However, since inspiral occurs on a time scale much longer than the orbital period, we can adopt a quasi-equilibrium approximation. In this approximation, we integrate a subset of the Einstein equations coupled to the equations of relativistic hydrodynamics to solve the initial value problem for binaries of arbitrary separation, down to the innermost stable orbit.


Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription
https://arxiv.org/abs/gr-qc/9701033arXivDiscussion Paper
ORCID:
AuthorORCID
Teukolsky, S. A.0000-0001-9765-4526
Record Number:CaltechAUTHORS:20190918-094403809
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190918-094403809
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98713
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:18 Sep 2019 18:31
Last Modified:22 Nov 2019 09:58

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