On coexistence and joint measurability of rank-1 quantum observables
classification
🪐 quant-ph
math-phmath.MP
keywords
quantumrank-1jointlymeasurableobservablecoexistencecoexistentdiscrete
read the original abstract
We show that a rank-1 quantum observable (POVM) M is jointly measurable with a quantum observable M' exactly when M' is a smearing of M. If M is extreme, rank-1 and discrete then M and M' are coexistent if and only if they are jointly measurable.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.