2 papers
quant-ph2026
Causal Trade-Offs in Superluminal Extensions of Relativity. A no-go theorem
Amrapali Sen, Matthias Salzger, V. Vilasini
Extensions of relativity that include superluminal reference frames have recently been proposed by Dragan and Ekert as a way to reconcile relativistic symmetry with quantum uncerta…
quant-ph2026
Higher-order quantum processes respecting closed labs in a spacetime have quantum controlled causal order
Matthias Salzger, V. Vilasini
In quantum causality and quantum information, there is a vast landscape of abstract quantum protocols permitting cyclic or non-acyclic causal structures between operations, includi…