期刊
CLASSICAL AND QUANTUM GRAVITY
卷 36, 期 16, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6382/ab30ff
关键词
gravitational waves; exotic compact objects; LISA
类别
资金
- European Union [DarkGRA-757480, MaGRaTh-646597, 690904]
- FCT/Portugal [PTDC/MATAPL/30043/2017]
- SDSC Comet and TACC Stampede2 clusters through NSF-XSEDE Award [PHY-090003]
- GWverse COST Action [CA16104]
- Amaldi Research Center - MIUR program 'Dipartimento di Eccellenza' [CUP: B81I18001170001]
Supermassive binaries detectable by the planned space gravitational-wave interferometer LISA might allow us to distinguish black holes from ultracompact horizonless objects, even for certain models motivated by quantum-gravity considerations. We show that a measurement of a very small tidal Love number with approximate to 10% accuracy (as achievable by detecting 'golden binaries') may also allow us to distinguish between different models of these exotic compact objects, even when taking into account an intrinsic uncertainty in the object radius putatively due to quantum mechanics. We argue that there is no conceptual obstacle in performing these measurements, the main challenge remains the detectability of small tidal effects and an accurate waveform modelling.
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