1111.1088 (G. C. Hegerfeldt et al.)

Discriminating between the von Neumann and Lüders reduction rule    [PDF]

G. C. Hegerfeldt, R. Sala Mayato

Given an ensemble of systems in an unknown state, as well as an observable $\hat A$ and a physical apparatus which performs a measurement of $\hat A$ on the ensemble, whose detailed working is unknown ('black box'), how can one test whether the L\"uders or von Neumann reduction rule applies?

View original: http://arxiv.org/abs/1111.1088