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@article{Yuen:2015:9/093041,
author = {Yuen, B and Barr, I and Cotter, J and Butler, E and Hinds, ED and Maricic, S},
doi = {9/093041},
journal = {New Journal of Physics},
title = {Enhanced oscillation lifetime of a Bose–Einstein condensate in the 3D/1D crossover},
url = {http://dx.doi.org/10.1088/1367-2630/17/9/093041},
volume = {17},
year = {2015}
}

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TY  - JOUR
AB  - We have measured the damped motion of a trapped Bose–Einstein condensate, oscillating withrespect to a thermal cloud. The cigar-shaped trapping potential provides enough transverseconfinement that the dynamics of the system are intermediate between three-dimensional and onedimensional.We find that the scaling of the damping rate with temperature is consistent with Landautheory, but that the damping rate for axial oscillations at a given temperature is consistently smallerthan expected for a three-dimensional gas. We attribute this to the suppressed density of states forlow-energy transverse excitations(essential excitations for axial Landau damping), which results fromthe quantization of the radial motion.
AU  - Yuen,B
AU  - Barr,I
AU  - Cotter,J
AU  - Butler,E
AU  - Hinds,ED
AU  - Maricic,S
DO  - 9/093041
PY  - 2015///
SN  - 1367-2630
TI  - Enhanced oscillation lifetime of a Bose–Einstein condensate in the 3D/1D crossover
T2  - New Journal of Physics
UR  - http://dx.doi.org/10.1088/1367-2630/17/9/093041
UR  - http://hdl.handle.net/10044/1/26676
VL  - 17
ER  -

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