Tunnelling of ultra-cold atoms across a periodically displaced optical barrier exhibits characteristic inelastic effects as well as remarkable transparency at energies for which the same barrier, if stationary, would be opaque. Such phenomena could be observed with sodium Bose-Einstein condensate wavepackets and could be exploited for atom-laser sideband generation.
Inelastic time-dependent tunnelling of matter waves
LA ROCCA, Giuseppe Carlo
2004
Abstract
Tunnelling of ultra-cold atoms across a periodically displaced optical barrier exhibits characteristic inelastic effects as well as remarkable transparency at energies for which the same barrier, if stationary, would be opaque. Such phenomena could be observed with sodium Bose-Einstein condensate wavepackets and could be exploited for atom-laser sideband generation.File in questo prodotto:
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PhysRevLett.93.011803.pdf
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