Gravitational Bose-Einstein Condensation in the Kinetic Regime

D. G. Levkov, A. G. Panin, I. I. Tkachev

Research output: Contribution to journalArticlepeer-review

68 Citations (Scopus)

Abstract

We study Bose-Einstein condensation and the formation of Bose stars in virialized dark matter halos and miniclusters by universal gravitational interactions. We prove that this phenomenon does occur and it is described by a kinetic equation. We give an expression for the condensation time. Our results suggest that Bose stars may form kinetically in mainstream dark matter models such as invisible QCD axions and fuzzy dark matter.

Original languageEnglish
Article number151301
Number of pages5
JournalPhysical Review Letters
Volume121
Issue number15
DOIs
Publication statusPublished - 12 Oct 2018

Keywords

  • AXION MINICLUSTERS
  • STARS

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