Does the cosmological constant stay hidden?

Abstract

We elaborate on the proposal of [Phys. Rev. Lett. 123 (2019) 13, 131302], about the possibility of hiding the cosmological constant in the complicated topology that one expects to exist at the Planck scale. We build a differential equation ruling the time evolution of $⟨K⟩$, the spatial average of the expansion scalar. Supposing that the solution $⟨K⟩=0$ exists despite the presence of a large cosmological constant $\Lambda$, we show that such solution seems to be unstable.

15 pages, 1 figure

References in corpus (8)

• Hiding the cosmological constant
• On average properties of inhomogeneous fluids in general relativity III: general fluid cosmologies
• Causal geodesic incompleteness of spacetimes arising from IMP gluing
• Comment on "Hiding the Cosmological Constant"
• How the cosmological constant is hidden by Planck scale curvature fluctuations
• How to Hide a Cosmological Constant
• A comment on "How the cosmological constant is hidden by Planck scale curvature fluctuations''
• Reply to Wang and Unruh