Supersmoothing through Slow Contraction

Cook, William G.; Glushchenko, Iryna A.; Ijjas, Anna; Pretorius, Frans; Steinhardt, Paul J.

doi:10.1016/j.physletb.2020.135690

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Supersmoothing through Slow Contraction

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Ijjas, Anna
Lise Meitner Excellence Group: Gravitational Theory and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Citation

Cook, W. G., Glushchenko, I. A., Ijjas, A., Pretorius, F., & Steinhardt, P. J. (2020). Supersmoothing through Slow Contraction. Physics Letters B, 808: 135690. doi:10.1016/j.physletb.2020.135690.

Cite as: https://hdl.handle.net/21.11116/0000-0006-8190-4

Abstract

Performing a fully non-perturbative analysis using the tools of numerical
general relativity, we demonstrate that a period of slow contraction is a
`supersmoothing' cosmological phase that homogenizes, isotropizes and flattens
the universe both classically and quantum mechanically and can do so far more
robustly and rapidly than had been realized in earlier studies.