量子引力中的弹跳黑洞和费米gamma-ray过剩
Bouncing black holes in quantum gravity and the Fermi gamma-ray excess
摘要：
非微扰量子引力效应可以改变黑洞的命运，使它们在比霍金蒸发时间更短的时间尺度上反弹。在这篇文章中，我们表明，这一假设可以解释从银河系中心观测到的费米卫星的GeV过剩。通过仔细考虑由于不稳定强子衰变的次级分量，我们表明，该模型是完全自洽的。这种现象呈现出一种特定的红移依赖性，可以将其与其他可能导致GeV过量的天体物理现象区分开来。
英文摘要：
Non-perturbative quantum-gravity effects can change the fate of black holes and make them bounce in a time scale shorter than the Hawking evaporation time. In this article, we show that this hypothesis can account for the GeV excess observed from the galactic center by the Fermi satellite. By carefully taking into account the secondary component due to the decay of unstable hadrons, we show that the model is fully self-consistent. This phenomenon presents a specific redshift-dependance that could allow to distinguish it from other astrophysical phenomena possibly contributing to the GeV excess.
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