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Primordial black holes with multimodal mass spectra
KTH, School of Engineering Sciences (SCI), Physics, Theoretical Particle Physics. KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-1528-1920
2019 (English)In: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 99, no 10, article id 103535Article in journal (Refereed) Published
Abstract [en]

A mechanism for generating primordial black hole mass spectra with many spikes is proposed and investigated. This mechanism relics on the choice of non-Bunch-Davies vacua, which lead to oscillatory features in the inflationary power spectrum. This in turn generates oscillations in the primordial black hole mass function with exponentially enhanced spikes. This "multimodal" effect is demonstrated for most of the well-studied models of primordial black hole formation.

Place, publisher, year, edition, pages
2019. Vol. 99, no 10, article id 103535
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URN: urn:nbn:se:kth:diva-252968DOI: 10.1103/PhysRevD.99.103535ISI: 000469329900006Scopus ID: 2-s2.0-85066443208OAI: oai:DiVA.org:kth-252968DiVA, id: diva2:1341984
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QC 20190812

Available from: 2019-08-12 Created: 2019-08-12 Last updated: 2019-08-12Bibliographically approved

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Kuhnel, Florian

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