论文标题

带电的黑手弹空间的回声

Echoes of charged black-bounce spacetimes

论文作者

Wu, S. R., Wang, B. Q., Liu, Dong, Long, Z. W.

论文摘要

在目前的工作中,研究了标量场和电磁场在带电的黑手弹空间的背景下的演变,我们获得了一个明显的回声信号,该信号适当地报告了带电的黑弹空位的特性,并披露了这种现象背后的物理原因。此外,通过研究了准响声,我们分析了带电的黑手弹空时的三个状态,我们的结果表明,仅当$(\ rvert {\ rvert {q} \ rvert \ rvert \ le m)$和$(\ rvert \ l lever)和$(\ rvert {\ rvert {\ rvert {l}这个时空,而当参数要求$(\ rvert {q} \ rvert> m)$ $时,回声信号将转换为两路可穿越的蠕虫的准响声,而带电的黑铃是正常的黑洞,是正常的黑孔(\ rvert $)(\ rvert $(\ rvert)) {l} \ rvert <m- \ sqrt {m ^{2} -q ^{2}}})$。

In present work, the evolution of scalar field and electromagnetic field under the background of the charged black-bounce spacetimes are investigated, and we obtain an obvious echoes signal which appropriately reports the properties of the charged black-bounce spacetimes and disclose the physical reasons behind such phenomena. Furthermore, by studying the quasinormal ringdown, we analyze the three states of the charged black-bounce spacetimes in detail, our results show that the echoes signal only appears when $(\rvert {Q}\rvert \le m)$ and $(\rvert {l}\rvert > m+ \sqrt{m ^{2}-Q^{2} })$ in this spacetime, while when the parameters demand $(\rvert {Q}\rvert>m)$, the echoes signal will be transformed into a quasinormal ringdown of the two-way traversable wormhole, and the charged black-bounce is a regular black hole with normal horizons by requiring $(\rvert {Q}\rvert \le m)$ and $(\rvert {l}\rvert < m- \sqrt{m ^{2}-Q^{2} })$.

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