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Faculté des Sciences
Faculté des Sciences
MASTER THESIS
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Scalar clouds around spinning black holes

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Meziane, Elias ULiège
Promotor(s) : Cudell, Jean-René ULiège
Date of defense : 5-Sep-2022/6-Sep-2022 • Permalink : http://hdl.handle.net/2268.2/16123
Details
Title : Scalar clouds around spinning black holes
Author : Meziane, Elias ULiège
Date of defense  : 5-Sep-2022/6-Sep-2022
Advisor(s) : Cudell, Jean-René ULiège
Committee's member(s) : Grodent, Denis ULiège
Schlagheck, Peter ULiège
Fays, Maxime ULiège
Language : English
Number of pages : 59
Keywords : [en] Black holes
[en] Gravitational waves
[en] Gravitational atom
[en] Dark matter
[en] Scalar clouds
Discipline(s) : Physical, chemical, mathematical & earth Sciences > Physics
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en sciences spatiales, à finalité approfondie
Faculty: Master thesis of the Faculté des Sciences

Abstract

[en] One of the promising dark matter candidates is the ultra-light boson. A piece of observation evidence may come from black holes and their surroundings. Indeed, clouds made of ultra-light scalar particles should grow via the superradiance process and bind to spinning black holes. It turns out that the energy spectrum and the occupation of this cloud are similar to a hydrogen atom. This system is hence called a gravitational atom, in analogy with the hydrogen atom. Similar to the emission of electromagnetic waves during an electronic transition, one should expect the emission of gravitational waves during a bosonic transition. This thesis is dedicated to the formation of these scalar clouds and this exotic gravitational-wave signature.


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Author

  • Meziane, Elias ULiège Université de Liège > Master sc. spatiales, à fin.

Promotor(s)

Committee's member(s)

  • Grodent, Denis ULiège Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
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  • Schlagheck, Peter ULiège Université de Liège - ULiège > Département de physique > Physique quantique statistique
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  • Fays, Maxime ULiège Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Inter. fondamentales en physique et astrophysique (IFPA)
    ORBi View his publications on ORBi
  • Total number of views 128
  • Total number of downloads 78










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