Value preserving quantum measurements: Impossibility theorems and lower bounds for the distortion
- 1 October 1983
- journal article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 24 (10) , 2454-2460
- https://doi.org/10.1063/1.525627
Abstract
Extending previous works on the subject we consider the problem of the limitations to ideal quantum measurements arising from the presence of additive conservation laws and we discuss impossibility theorems and derive lower bounds for the deviations from the ideal schemes, with particular reference to the distorting case.Keywords
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