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Bose-Einstein condensate in cosmology

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arxiv 1808.10505 v3 pith:ONOWDG7I submitted 2018-08-30 gr-qc astro-ph.COhep-th

Saurya Das (U. Lethbridge) , R. K. Bhaduri (McMaster U.) This is my paper · ORCID
classification gr-qcastro-ph.COhep-th
keywords bose-einsteinbosonscondensatedarkenergymacroscopicapplyingarticle
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Applying the seminal work of Bose in 1924 on what was later known as Bose-Einstein statistics, Einstein predicted in 1925 that at sufficiently low temperatures, a macroscopic fraction of constituents of a gas of bosons will drop down to the lowest available energy state, forming a `giant molecule' or a Bose-Einstein condensate (BEC), described by a `macroscopic wavefunction'. In this article we show that when the BEC of ultralight bosons extends over cosmological length scales, it can potentially explain the origins of both dark matter and dark energy. We speculate on the nature of these bosons.

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Cited by 1 Pith paper

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    hep-th 2025-05 reject novelty 4.0 of 10

    A single analytical scale factor with sigmoid-smoothed parameters is proposed to interpolate between inflation, radiation, matter, and dark-energy epochs.

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