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Thoughts on the Vacuum Energy in the Quantum N-Portrait
Florian Kuhnel
An application of the quantum N-portrait to the Universe is discussed, wherein the space-time geometry is understood as a Bose-Einstein condensate of N soft gravitons. If near or a…
Astrophysical Bose-Einstein Condensates and Superradiance
Florian Kuhnel, Cornelius Rampf
We investigate gravitational analogue models to describe slowly rotating objects (e.g., dark-matter halos, or boson stars) in terms of Bose-Einstein condensates, trapped in their o…
Decay of Graviton Condensates and their Generalizations in Arbitrary Dimensions
Florian Kuhnel, Bo Sundborg
Classicalons are self-bound classical field configurations, which include black holes in General Relativity. In quantum theory, they are described by condensates of many soft quant…
Modified Bose-Einstein Condensate Black Holes in d Dimensions
Florian Kuhnel, Bo Sundborg
[Remark: Much more natural and important models are studied in arXiv:1405.2083. Furthermore, the physical picture given there is much more complete.] The quantum N-portrait -- blac…