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Black hole binaries and light fields: Gravitational molecules

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arxiv 2010.00008 v2 pith:IFSO2X3G submitted 2020-09-30 gr-qc astro-ph.HEhep-phhep-th

Taishi Ikeda , Laura Bernard , Vitor Cardoso , Miguel Zilhao This is my paper · ORCID
classification gr-qcastro-ph.HEhep-phhep-th
keywords aroundbinariesstatesblackdescribedfieldsgravitationalhole
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We show that light scalars can form quasibound states around binaries. In the nonrelativistic regime, these states are formally described by the quantum-mechanical Schrodinger equation for a one-electron heteronuclear diatomic molecule. We performed extensive numerical simulations of scalar fields around black hole binaries showing that a scalar structure condenses around the binary -- we dub these states "gravitational molecules". We further show that these are well described by the perturbative, nonrelativistic description.

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Cited by 5 Pith papers

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