Causally agnostic interferometric measurements operationally define multipartite quantum states over spacetime regions, merging density operators, QSOT, and process matrices while revealing indistinguishable dynamics and new spatiotemporal correlations.
It means that the type and the duration of interaction between the probe and the system of interest can be chosen independently and spontaneously at each region in spacetime
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Probing Quantum States Over Spacetime Through Interferometry
Causally agnostic interferometric measurements operationally define multipartite quantum states over spacetime regions, merging density operators, QSOT, and process matrices while revealing indistinguishable dynamics and new spatiotemporal correlations.