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quant-ph2025
An information-theoretic proof of the Planckian bound for thermalization
Paolo Abiuso, Alberto Rolandi, John Calsamiglia +2
We demonstrate that quantum mechanics entails a fundamental lower bound on the thermalization time of any system. At finite temperature, we show that is bounded by half the…
quant-ph2025
Tight and self-testing multipartite quantum Bell inequalities from the renormalization group
Paolo Abiuso, Julian Fischer, Miguel Navascués
In past work, the concept of connectors was introduced: directed tensors with the property that any contraction thereof defines a multipartite quantum Bell inequality, i.e., a line…