Wave Function of a Brane-like Universe

Abstract

Within the mini-superspace model, brane-like cosmology means performing the variation with respect to the embedding (Minkowski) time $\tau$ before fixing the cosmic (Einstein) time $t$. The departure from Einstein limit is parameterized by the 'energy' conjugate to $\tau$, and characterized by a classically disconnected Embryonic epoch. In contrast with canonical quantum gravity, the wave-function of the brane-like Universe is (i) $\tau$-dependent, and (ii) vanishes at the Big Bang. Hartle-Hawking and Linde proposals dictate discrete 'energy' levels, whereas Vilenkin proposal resembles $\alpha$-particle disintegration.

Revtex, 4 twocolumn pages, 3 eps figures (accepted for publication in Class. Quan. Grav.)

References in corpus (5)

• Spacetime as a membrane in higher dimensions
• Open Inflation Without False Vacua
• Open Inflation, the Four Form and the Cosmological Constant
• Λ=0 Cosmology of a Brane-like Universe
• Quantum Gravity of a Brane-like Universe

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