Physical Review Letters
We present the first spatially resolved images of spin waves in a gas. The complete longitudinal and transverse spin field as a function of time and space is reconstructed. Frequencies and damping rates for a standing-wave mode are extracted and compared with theory.
McGuirk, J. M.; Lewandowski, H. J.; Harber, D. M.; Nikuni, T.; Williams, J. E.; and Cornell, Eric A., "Spatial Resolution of Spin Waves in an Ultra-Cold Gas" (2002). Physics Faculty Contributions. 13.