论文标题
两个超层析的物体几乎可以将其所有能量损失到重力辐射上吗？
Can Two Ultrarelativistic Objects Lose Almost All Their Energy to Gravitational Radiation?
论文作者
论文摘要
在2007年，Pretorius和Khurana确实“推测在阈值（在关键冲击参数上），系统的所有动能[两个超层压黑孔]都转化为重力波，这可能是总能量的任意大部分。”但是，在2012年，Sperhake，Berti，Cardoso和Pretorius进行了数值计算，使他们得出了相反的结论：“将我们的结果推断到极限$γ\ rightarrow \ rightarrow \ Infty $表明，该系统的大约一半能量在系统中心的能量中，可以在重力辐射中发射，而其余的必须转化为静止的能量，并将其转化为静止的序列，并旋转成分。在这里，我提出了反对后一个结论的论点，并支持了较早的猜测，即对于足够大的$γ$，除了任意一小部分总能量外，所有这些都可以放射出来。
In 2007 Pretorius and Khurana did "speculate that at threshold [at a critical impact parameter], all of the kinetic energy of the system [two ultrarelativistic black holes] is converted to gravitational waves, which can be an arbitrarily large fraction of the total energy." However, in 2012 Sperhake, Berti, Cardoso, and Pretorius performed numerical calculations that led them to the contrary conclusion: "An extrapolation of our results to the limit $γ\rightarrow \infty$ suggests that about half of the center-of-mass energy of the system can be emitted in gravitational radiation, while the rest must be converted into rest-mass and spin energy." Here I present arguments against this latter conclusion and in support of the earlier speculation that for sufficiently large $γ$, all but an arbitrarily small fraction of the total energy can be radiated away.
