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Abstract: Neutron star binaries offer a rich phenomenology in terms of gravitational waves and merger remnants. However, most general relativistic studies have been performed for nearly circular binaries, with the exception of head-on collisions. We present the first numerical relativity investigation of mergers of eccentric equal-mass neutron star binaries that probes the regime between head-on and circular. In addition to gravitational waves generated by the orbital motion, we find that the signal also contains a strong component due to stellar oscillations (f modes) induced by tidal forces, extending a classical result for Newtonian binaries. The merger can lead to rather massive disks on the order of 10% of the total initial mass. DOI: 10.1103/PhysRevD.86.121501
Publication Date: 15-Dec-2012
Electronic Publication Date: 20-Dec-2012
Citation: Gold, Roman, Bernuzzi, Sebastiano, Thierfelder, Marcus, Bruegmann, Bernd, Pretorius, Frans. (2012). Eccentric binary neutron star mergers. PHYSICAL REVIEW D, 86 (10.1103/PhysRevD.86.121501
DOI: doi:10.1103/PhysRevD.86.121501
ISSN: 2470-0010
EISSN: 2470-0029
Type of Material: Journal Article
Journal/Proceeding Title: PHYSICAL REVIEW D
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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