Optimum Phase Space Probabilities From Quantum Tomography
Quantum Physics
2015-06-15 v2 Mathematical Physics
math.MP
Abstract
We determine a positive normalised phase space probability distribution with minimum mean square fractional deviation from the Wigner distribution .The minimum deviation, an invariant under phase space rotations, is a quantitative measure of the quantumness of the state.The positive distribution closest to will be useful in quantum mechanics and in time frequency analysis .
Cite
@article{arxiv.1304.2857,
title = {Optimum Phase Space Probabilities From Quantum Tomography},
author = {Arunabha S. Roy and S. M. Roy},
journal= {arXiv preprint arXiv:1304.2857},
year = {2015}
}
Comments
6 pages, 4 figures