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작성자 CQUeST 날짜 2017-09-12
제목 [Seminar] Sep. 13 (Wed), 4:30pm, Bogeun Gwak
Date-Time : Sep. 13 (Wed), 4:30pm

Place : R1029

Speaker : Bogeun Gwak 

Institute : Sejong University

Title : Upper Bound of Radiation Energy under Collision of Hayward Black Holes

Abstract : We investigate the spin interaction and the gravitational radiation thermally allowed in a head-on collision of two rotating Hayward black holes. If one black hole is assumed to be considerably smaller than the other, the potential of the spin interaction can be analytically obtained and is dependent on the alignment of angular momenta of the black holes. For the collision of massive black holes, the gravitational radiation is numerically obtained as the upper bound by using the laws of thermodynamics. The regularity effect of the Hayward black hole tends to increase the radiation energy, but we can limit the effect by comparing the radiation energy with the gravitational waves GW150914, GW151226, and GW170104.
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