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Perceiving light rays above and below the horizon of a black hole in Schwarzschild spacetime

机译:在Schwarzschild时空的黑洞的地平线上方和下方感知光线

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We consider a novel kind of plot for presenting the behaviour of null geodesics in Schwarzschild spacetime. Our diagram depicts various features of the light rays as recorded by different classes of observers. The idea stems from the use of phase portraits for illustrating the null geodesics in Schwarzschild spacetime, above and below the horizon of a black hole, but they reveal unphysical characteristics. The plots we propose are free from such anomalies. Moreover they allow us to discover new under-horizon features.
机译:我们考虑一种新颖的绘图,用于在Schwarzschild时空中呈现Null Geodesics的行为。我们的图描绘了由不同类别的观察者记录的光线的各种特征。这个想法源于使用相位肖像来说明施瓦茨柴尔斯时尚的空的大动物,在黑洞的地平线上方和下方,但它们揭示了不经信的特征。我们提出的情节免于这样的异常。此外,他们允许我们发现新的地平线功能。

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