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[5.18]Gravitational waves from binary compact star mergers in the context of the hadron-quark phase transition
文章来源:  |  发布时间:2017-04-14  |  浏览:
                                                    Seminar
Title:Gravitational waves from binary compact star mergers in the context of the hadron-quark phase transition
Speaker: Prof. Matthias Hanauske (Frankurt Uni.)
Time: 10:00 AM, May 18th, 2017(Thursday)  
Place: Theoretical Physics Division,319      
Abstract: One hundred years after Albert Einstein developed the field equations of general relativity and predicted the existence of gravitational waves (GWs), these curious spacetime-ripples have been observed from a pair of merging black holes by the LIGO detectors. As GWs emitted from merging neutron star binaries are on the verge of their first detection, it is important to understand the main characteristics of the underlying merging system in order to predict the expected GW signal. Based on a large number of numerical-relativity simulations of merging neutron star binaries, the emitted GW and the interior structure of the generated hypermassive neutron stars (HMNS) have been analyzed in detail. This talk will focus on the internal and rotational HMNS properties and their connection with the emitted GW signal. Especially, the appearance of the hadron-quark phase transition and the formation of strange matter in the interior region of the HMNS and its conjunction with the spectral properties of the emitted GW will be addressed. arXiv:1611.07152.

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