Information-disturbance tradeoff in quantum measurements
Quantum Physics
2009-11-11 v2
Abstract
We present a simple information-disturbance tradeoff relation valid for any general measurement apparatus: The disturbance between input and output states is lower bounded by the information the apparatus provides in distinguishing these two states.
Cite
@article{arxiv.quant-ph/0510104,
title = {Information-disturbance tradeoff in quantum measurements},
author = {Lorenzo Maccone},
journal= {arXiv preprint arXiv:quant-ph/0510104},
year = {2009}
}
Comments
4 Pages, 1 Figure. Published version (reference added and minor changes performed)