M87 * 的轮廓：一个窥视隐藏维度世界的新窗口
Silhouette of M87*: A new window to peek into the world of hidden dimensions
摘要：
事件视界望远镜合作组最近对位于M87星系中心的超大质量黑洞M87* 的阴影进行了观测，为探测强引力区开辟了一个新的窗口。在这封信中，我们明确地证明了这一观测结果的膜世界黑洞，其特征是存在一个负潮汐电荷。我们的结果基于与阴影相关的三个观测量，即角直径，圆度偏差和轴比，揭示了负潮汐电荷的存在更有利，可能标志着偏离广义相对论。
英文摘要：
The recent observation of the shadow of the supermassive black hole M87*, located at the centre of the M87 galaxy, by the Event Horizon Telescope collaboration has opened up a new window to probe the strong gravity regime. In this letter, we explicitly demonstrate the consequences of this observation on brane world black holes, characterized by existence of a negative tidal charge. Our results based on three observables associated with the shadow, namely, angular diameter, deviation from circularity and axis ratio reveal that the existence of a negative tidal charge is more favoured, possibly marking a deviation from general relativity.
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