期刊
ADVANCES IN ASTRONOMY
卷 2017, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2017/6127031
关键词
-
资金
- US Department of Energy [DE-FG02-95-ER40934]
- University of Notre Dame Center for Research Computing
- National Science Foundation through the Joint Institute for Nuclear Astrophysics (JINA) at UND
- Vietnam Ministry of Education (MOE)
The spatially conformally flat approximation (CFA) is a viable method to deduce initial conditions for the subsequent evolution of binary neutron stars employing the full Einstein equations. Here we analyze the viability of the CFA for the general relativistic hydrodynamic initial conditions of binary neutron stars. We illustrate the stability of the conformally flat condition on the hydrodynamics by numerically evolving similar to 100 quasicircular orbits. We illustrate the use of this approximation for orbiting neutron stars in the quasicircular orbit approximation to demonstrate the equation of state dependence of these initial conditions and how they might affect the emergent gravitational wave frequency as the stars approach the innermost stable circular orbit.
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