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arXiv 2007.13761gr-qchep-th
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量子引力的势引力波特征

Potential gravitational-wave signatures of quantum gravity

Ivan Agullo, Vitor Cardoso, Adrian del Rio, Michele Maggiore, Jorge Pullin

摘要:

我们表明,引力波天文学有可能告诉我们量子方面的黑洞。基于Bekenstein量子化理论,我们发现黑洞面积离散化会对合并黑洞的引力波信号产生可观测的印记,影响它们在涡卷过程中的吸收特性和合并后的弛豫.与以前的结果相比,我们发现,黑洞旋转,无处不在的天体物理学,提高了我们的能力,探测量子效应。我们的分析表明,引力波回波和抑制潮汐加热是新物理学的标志,从中可以测量黑洞区域的基本量子,并且未来的探测器可以实现。我们的结果也强调了从特定的量子引力提案中推导出预测的必要性。

英文摘要:

We show that gravitational-wave astronomy has the potential to inform us on quantum aspects of black holes. Based on Bekenstein's quantization, we find that black hole area discretization could impart observable imprints to the gravitational-wave signal from a pair of merging black holes, affecting their absorption properties during inspiral and their late-time relaxation after merger. In contrast with previous results, we find that black hole rotation, ubiquitous in astrophysics, improves our ability to probe quantum effects. Our analysis shows that gravitational-wave echoes and suppressed tidal heating are signs of new physics from which the fundamental quantum of black hole area can be measured, and which are within reach of future detectors. Our results also highlight the need to derive predictions from specific quantum gravity proposals.

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