Constraining nuclear equations of state using gravitational waves from hypermassive neutron stars
arXiv:gr-qc/0504082 · doi:10.1103/PhysRevLett.94.201101
Abstract
Latest general relativistic simulations for merger of binary neutron stars with realistic equations of state (EOSs) show that a hypermassive neutron star of an ellipsoidal figure is formed after the merger if the total mass is smaller than a threshold value which depends on the EOSs. The effective amplitude of quasiperiodic gravitational waves from such hypermassive neutron stars is -- at a distance of 50 Mpc, which may be large enough for detection by advanced laser interferometric gravitational wave detectors although the frequency is high kHz. We point out that the detection of such signal may lead to constraining the EOSs for neutron stars.
4 pages, to appear in Phys. Rev. Lett
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