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Quantum Simulation
Quantum and Classical Dynamics of a BEC in a Large-Period Optical Lattice
arXiv
Authors: J. H. Huckans, I. B. Spielman, B. Laburthe Tolra, W. D. Phillips, J. V. Porto
Year
2009
Paper ID
9307
Status
Preprint
Abstract Read
~2 min
Abstract Words
80
Citations
N/A
Abstract
We experimentally investigate diffraction of a Rb-87 Bose-Einstein condensate from a 1D optical lattice. We use a range of lattice periods and timescales, including those beyond the Raman-Nath limit. We compare the results to quantum mechanical and classical simulations, with quantitative and qualitative agreement, respectively. The classical simulation predicts that the envelope of the time-evolving diffraction pattern is shaped by caustics: singularities in the phase space density of classical trajectories. This behavior becomes increasingly clear as the lattice period grows.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- We experimentally investigate diffraction of a Rb-87 Bose-Einstein condensate from a 1D optical lattice.
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