An Entropic Uncertainty Principle for Quantum Measurements
Quantum Physics
2007-05-23 v1 Mathematical Physics
math.MP
Abstract
The entropic uncertainty principle as outlined by Maassen and Uffink for a pair of non-degenerate observables in a finite level qusystem is generalized here to the case of a pair of arbitrary quantum measurements. In particular, our result includes not only the case of projectivmeasurements (or equivalently, observables) exhibiting degeneracy but also an uncertainty principle for a single measurement.
Cite
@article{arxiv.quant-ph/0110025,
title = {An Entropic Uncertainty Principle for Quantum Measurements},
author = {M Krishna and K R Parthasarathy},
journal= {arXiv preprint arXiv:quant-ph/0110025},
year = {2007}
}