Physics – Quantum Physics
Scientific paper
2011-02-22
Physics
Quantum Physics
32 pages, LaTeX. Version 4 has a new title and abstract. It consist of an essentially unaltered Version 3 with the addition of
Scientific paper
A recent Letter in Physical Review Letters, "Contextual Values of Observables in Quantum Measurements", by J. Dressel, S. Agarwal, and A. N. Jordan (abbreviated DAJ below), introduces the concept of "contextual values" and claims that they lead to "a natural definition of a general conditioned average that converges uniquely to the quantum weak value in the minimal disturbance limit". However, they do not define "minimal disturbance limit". The present paper is in part the saga of my search for a definition of "minimal disturbance limit" under which this claim could be proved. The search finally ended in what is probably a definitive counterexample to the claim.
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