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quant-ph2025
Repeated quantum backflow and overflow
Christopher J. Fewster, Harkan J. Kirk-Karakaya
Quantum backflow is a surprising phenomenon in which a quantum particle, moving in one dimension and with a state of rightwards momentum, can exhibit a net probability transfer to…
quant-ph2020
Impossible measurements require impossible apparatus
Henning Bostelmann, Christopher J. Fewster, Maximilian H. Ruep
A well-recognised open conceptual problem in relativistic quantum field theory concerns the relation between measurement and causality. Naive generalisations of quantum measurement…