2024
DOI: 10.1088/1475-7516/2024/02/044
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ULDM self-interactions, tidal effects and tunnelling out of satellite galaxies

Bihag Dave,
Gaurav Goswami

Abstract: It is well-known that Dark Matter (DM) inside a satellite galaxy orbiting a host halo experiences a tidal potential. If DM is ultra-light, given its wave-like nature, one expects it to tunnel out of the satellite — if this happens sufficiently quickly, then the satellite will not survive over cosmological timescales, severely constraining this dark matter model. In this paper, we study the effects of the inevitable quartic self-interaction of scalar Ultra-Light Dark Matter (ULDM) on the lifetimes of satellit… Show more

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Cited by 5 publications
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