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arXiv · 1606.04881

Bowen-York Type Initial Data for Binaries with Neutron Stars

Michael Clark·Pablo Laguna
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Abstract

A new approach to construct initial data for binary systems with neutron star components is introduced. The approach is a generalization of the puncture initial data method for binary black holes based on Bowen-York solutions to the momentum constraint. As with binary black holes, the method allows setting orbital configurations with direct input from post-Newtonian approximations and involves solving only the Hamiltonian constraint. The effectiveness of the method is demonstrated with evolutions of double neutron star and black hole -- neutron star binaries in quasi-circular orbits.

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Michael Clark, Pablo Laguna. 2016-06-15. Bowen-York Type Initial Data for Binaries with Neutron Stars. https://doi.org/10.1103/physrevd.94.064058

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