Analysis of Superradiation Stability of Kerr-Newman Black Hole Using Curve integral
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Abstract In this article, a new variable y is added here to expand the results of the above article.We use the properties of the Laurent series and the Cauchy integral. When y is greater than a certain limit, the effective potential of the equation does not have a pole, then there is no potential well outside the event horizon, when p 2(a 2 + Q2)/r2 + < ω < mΩH + qΦH,so the Kerr-Newman black hole is superradiantly stable at that time.
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2008 ◽
Vol 23
(20)
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pp. 3155-3163
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2002 ◽
2017 ◽
Vol 34
(23)
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pp. 235008
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