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quant-ph2025
Paradox-free classical non-causality and unambiguous non-locality without entanglement are equivalent
Hippolyte Dourdent, Kyrylo Simonov, Andreas Leitherer +5
Closed timelike curves (CTCs) challenge our conception of causality by allowing information to loop back into its own past. Any consistent description of such scenarios must avoid…
quant-ph2025
Correlations in a quantum switch-based heat engine with measurements: A proof-of-principle demonstration
Vinicius F. Lisboa, Pedro R. Dieguez, Kyrylo Simonov +1
Allowing the order of quantum operations to exist in superposition is known to open new routes for thermodynamic tasks. We investigate a quantum heat engine where energy exchanges…
quant-ph2025
Estimation of multivariate traces of states given partial classical information
Kyrylo Simonov, Rafael Wagner, Ernesto Galvão
Bargmann invariants of order , defined as multivariate traces of quantum states , are useful in applications ranging from quantum metrology to cert…