Cross-correlations between quantum degrees of freedom are required for consistent effective dynamics in Brans-Dicke Bianchi I cosmology, smoothing bounces and keeping energy density finite.
Define dimensionless ratios: rci ≡ p ∆(c2 i ) |ci| , r pi ≡ p ∆(p2 i ) |pi| .(35) Semiclassicality requiresr ci , rpi to be small far from the bounce
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Quantum Backreaction in Effective Brans-Dicke Bianchi I Cosmology
Cross-correlations between quantum degrees of freedom are required for consistent effective dynamics in Brans-Dicke Bianchi I cosmology, smoothing bounces and keeping energy density finite.