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quant-ph2026
Evidence for Counterfactual Violation of Local Conservation Laws in Quantum Events
Patrick Cameron, Francesco Di Colandrea, Filippo Cardano +1
Physical conservation laws, such as those of energy and momentum, are generally believed to hold exactly and locally in spacetime, including in quantum phenomena. Yet Aharonov, Pop…
quant-ph2025
Tailoring spatial correlations with quantum interference
Carlo Schiano, Bereneice Sephton, Elnaz Darsheshdar +3
Photon correlations represent a central resource in many quantum optics experiments, with applications ranging from quantum information protocols to sensing. Engineering such corre…
quant-ph2025
Programmable non-Hermitian photonic quantum walks via dichroic metasurfaces
Paola Savarese, Sarvesh Bansal, Maria Gorizia Ammendola +6
The evolution of a closed quantum system is described by a unitary operator generated by a Hermitian Hamiltonian. However, when certain degrees of freedom are coupled to an environ…