Dark matter and dark energy from Bose-Einstein condensate

Abstract

We show that Dark Matter consisting of bosons of mass of about 1eV or less has critical temperature exceeding the temperature of the universe at all times, and hence would have formed a Bose-Einstein condensate at very early epochs. We also show that the wavefunction of this condensate, via the quantum potential it produces, gives rise to a cosmological constant which may account for the correct dark energy content of our universe. We argue that massive gravitons or axions are viable candidates for these constituents. In the far future this condensate is all that remains of our universe.

4 pages, 1 figure. References added and updated. Note added. Version to appear in Classical and Quantum Gravity

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• A statistical representation of the cosmological constant from finite size effects at the apparent horizon
• Is it possible to obtain cosmic accelerated expansion through energy transfer between different energy densities?
• The interaction of extended Bose-Einstein condensate dark matter with viscous $f(T,B)$ gravity
• Gravitation as a source of decoherence