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Gravitational waves in dark bubble cosmology
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In this paper we construct the 5D uplift of 4D gravitational waves in de Sitter cosmology for the brane world scenario based on a nucleated bubble in AdS5. This makes it possible to generalize the connection between the dark bubbles and Vilenkin's quantum cosmology to include gravitational perturbations. We also use the uplift to explain the interpretation of the apparently negative energy contributions in the 4D Einstein equations, which distinguish the dark bubble scenario from Randall-Sundrum.
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Cited by 2 Pith papers
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Weak gravity at micron scales from dark bubble cosmology and its cosmological consequences
Dark bubble cosmology predicts gravity weakens below L~10^-5 m, yielding V=-G4M(1/rho - 3L^2/(2rho^3)+...) and a radiation-only inflationary phase.
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Dark bubble cosmology and the equivalence principle
In dark bubble cosmology, non-abelian gauge fields like gluons would couple to induced gravity with the wrong sign, making the proton's gravitational mass about 1% of its inertial mass and ruling out the scenario agai...
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