Here's a non-paywalled article: https://ladailypost.com/lanl-simulating-quantum-time-travel-disproves-butterfly-effect-in-quantum-realm/ https://ladailypost.com

Here's a non-paywalled article: https://ladailypost.com/lanl-simulating-quantum-time-travel-disproves-butterfly-effect-in-quantum-realm/ https://ladailypost.com/lanl-simulating-quantum-time-travel-... Here is the preprint: https://arxiv.org/abs/2003.07267 https://arxiv.org/abs/2003.07267 They are using the linearity to say that the effect is not magnified as it would be classically, but it is in the context of repairing damage done by a measurement.