用$a/M \sim 0.95$探测准正规模，证明了球$99\%$浸泡在Kerr时空的能区中
The detection of quasinormal mode with $a/M \sim 0.95$ would prove a sphere $99\%$ soaking in the ergoregion of the Kerr space-time
摘要：
最近的数值相对论模拟的合并的双黑洞表明，$a/M$的最大最终值是$\sim 0.95$的两个等质量黑洞的合并具有对齐的自旋相同的幅度$a/M=0.994$，这是接近的上限$a/M=0.998$吸积自旋的Thorne所示。利用WKB方法，我们认为，如果第二代引力波探测器探测到具有$a/M \sim 0.95$的准正规模，那么我们就可以根据爱因斯坦广义相对论确定强引力时空，直到$1.33M$仅为事件视界半径的$\sim 1.014$倍，并且在能区之内。在这里，我们期待着关于黑洞几何学的更多信息。如果拟正规模与广义相对论的拟正规模不同，我们需要找到真正的引力理论，它只在黑洞视界附近偏离广义相对论。
英文摘要：
Recent numerical relativity simulations of mergers of binary black holes suggest that the maximum final value of $a/M$ is $\sim 0.95$ for the coalescence of two equal mass black holes with aligned spins of the same magnitude $a/M=0.994$ which is close to the upper limit $a/M=0.998$ of accretion spin-up shown by Thorne. Using the WKB method, we suggest that if quasinormal modes with $a/M \sim 0.95$ are detected by the second generation gravitational wave detectors, we could confirm the strong gravity space-time based on Einstein's general relativity up to $1.33M$ which is only $\sim 1.014$ times the event horizon radius and within the ergoregion. One more message about black hole geometry is expected here. If the quasinormal mode is different from that of general relativity, we need to find the true theory of gravity which deviates from general relativity only near the black hole horizon.
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