[Author: Nomaan, X] AND [Keyword: Second Law] : Search

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Entanglement production through a cosmological bounce
- Viqar Husain,
- Irfan Javed,
- Sanjeev S. Seahra, and
- X Nomaan
International Journal of Modern Physics D30 Oct 2024
Preview Abstract
In quantum cosmology, it is expected that the Big Bang singularity is resolved and the universe undergoes a bounce. We find that for Gaussian initial states, matter-gravity entanglement entropy rises rapidly during the bounce, declines, and then approaches a steady-state value following the bounce. These observations suggest that matter-gravity entanglement is a feature of the macroscopic universe and that there is no Second Law of entanglement entropy.

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