Detecting wave function collapse without prior knowledge

@article{Cowan2015DetectingWF,
  title={Detecting wave function collapse without prior knowledge},
  author={C. W. Cowan and R. Tumulka},
  journal={Journal of Mathematical Physics},
  year={2015},
  volume={56},
  pages={082103}
}
We are concerned with the problem of detecting with high probability whether a wave function has collapsed or not, in the following framework: A quantum system with a d-dimensional Hilbert space is initially in state ψ; with probability 0 < p < 1, the state collapses relative to the orthonormal basis b1, …, bd. That is, the final state ψ′ is random, it is ψ with probability 1 − p and bk (up to a phase) with p times Born’s probability bk|ψ2. Now an experiment on the system in state ψ′ is desired… Expand

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