It is shown that the magnetic state decoherence produced by collisions in a thermal vapor can be suppressed by the application of a train of ultrafast optical pulses.
@article{arxiv.physics/0003003,
title = {Suppression of Magnetic State Decoherence Using Ultrafast Optical Pulses},
author = {C. Search and P. R. Berman},
journal= {arXiv preprint arXiv:physics/0003003},
year = {2009}
}