2021
DOI: 10.48550/arxiv.2106.05812
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Field excitation in fuzzy dark matter near a strong gravitational wave source

Shreyansh S. Dave,
Sanatan Digal

Abstract: The axion-like particles with ultralight mass (∼ 10 −22 eV) can be a possibile candidate of dark matter, known as the fuzzy dark matter (FDM). These particles form Bose-Einstein condensate in the early universe which can explain the dark matter density distribution in galaxies at the present time. We study the time evolution of ultralight axion-like field in the near region of a strong gravitational wave (GW) source, such as binary black hole merger. We show that GWs can lead to the generation of field excitat… Show more

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“…However, real objects will also have an oscillating density. Thus, the effective mass inside the star will have a periodic time variability, potentially giving rise to "parametric" instabilities [58][59][60][61]. Figure 3 summarizes our results for nonvanishing βδρ.…”
mentioning
confidence: 77%
“…However, real objects will also have an oscillating density. Thus, the effective mass inside the star will have a periodic time variability, potentially giving rise to "parametric" instabilities [58][59][60][61]. Figure 3 summarizes our results for nonvanishing βδρ.…”
mentioning
confidence: 77%