Mixed collective states of many spins
Quantum Physics
2007-05-23 v3
Abstract
Mixed states of samples of spin s particles which are symmetric under permutations of the particles are described in terms of their total collective spin quantum numbers. We use this description to analyze the influence on spin squeezing due to imperfect initial state preparation.
Cite
@article{arxiv.quant-ph/0201043,
title = {Mixed collective states of many spins},
author = {Janus Wesenberg and Klaus Moelmer},
journal= {arXiv preprint arXiv:quant-ph/0201043},
year = {2007}
}
Comments
Section V on extension of the results to atoms with more than two levels has been rewritten. Accepted for publication in Phys. Rev. A