Vacuum energy, holography and a quantum portrait of the visible Universe [PDF]
Pierre BinetruyDescribing the presently observable Universe as a self-sustained condensate of gravitons of size $H_0^{-1}$, with large occupation number $N$, we argue that the most probable value for the quantum vacuum energy is of the order of the critical energy density, as observed.View original: http://arxiv.org/abs/1208.4645
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