High-velocity collision of two black holes

Masaru Shibata, Hirotada Okawa, Tetsuro Yamamoto

We study nonaxisymmetric collision of two black holes (BHs) with a high velocity $v=|d{x}^i/d{x}^0|=0.6$--$0.9c$ at infinity, where $x^{\mu }$ denotes four-dimensional coordinates. We prepa…