Longitudinal spin waves in a dilute Bose gas
Condensed Matter
2009-11-07 v1
Abstract
We present a kinetic theory for a dilute noncondensed Bose gas of two-level atoms that predicts the transient spin segregation observed in a recent experiment. The underlying mechanism driving spin currents in the gas is due to a mean field effect arising from the quantum interference between the direct and exchange scattering of atoms in different spin states. We numerically solve the spin Boltzmann equation, using a one dimensional model, and find excellent agreement with experimental data.
Cite
@article{arxiv.cond-mat/0112487,
title = {Longitudinal spin waves in a dilute Bose gas},
author = {J. E. Williams and T. Nikuni and Charles W. Clark},
journal= {arXiv preprint arXiv:cond-mat/0112487},
year = {2009}
}
Comments
4.5 pages, 3 embedded color figures