Decoherence of Bose-Einstein condensates in microtraps

by: C Henkel, SA Gardiner

Physical Review A (Atomic, Molecular, and Optical Physics), Vol. 69, No. 4. (2004)

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Abstract

We discuss the impact of thermally excited near fields on the coherent expansion of a condensate in a miniaturized electromagnetic trap. Monte Carlo simulations are compared with a kinetic two-component theory and indicate that atom interactions can slow down decoherence. This is explained by a simple theory in terms of the condensate dynamic structure factor.

@article{citeulike:1930333, abstract = {We discuss the impact of thermally excited near fields on the coherent expansion of a condensate in a miniaturized electromagnetic trap. Monte Carlo simulations are compared with a kinetic two-component theory and indicate that atom interactions can slow down decoherence. This is explained by a simple theory in terms of the condensate dynamic structure factor.}, author = {Henkel, C. and Gardiner, S. A. }, citeulike-article-id = {1930333}, doi = {10.1103/PhysRevA.69.043602}, journal = {Physical Review A (Atomic, Molecular, and Optical Physics)}, keywords = {atom-chips, coherence, heating, loss, magnetic-noise, microtraps, surface-effects}, number = {4}, posted-at = {2007-11-17 11:20:14}, priority = {2}, publisher = {APS}, title = {Decoherence of Bose-Einstein condensates in microtraps}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PLRAAN000069000004043602000001\&idtype=cvips\&gifs=yes}, volume = {69}, year = {2004} }

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TY - JOUR ID - citeulike:1930333 L3 - citeulike-article-id:1930333 TI - Decoherence of Bose-Einstein condensates in microtraps JF - Physical Review A (Atomic, Molecular, and Optical Physics) VL - 69 IS - 4 PB - APS N2 - We discuss the impact of thermally excited near fields on the coherent expansion of a condensate in a miniaturized electromagnetic trap. Monte Carlo simulations are compared with a kinetic two-component theory and indicate that atom interactions can slow down decoherence. This is explained by a simple theory in terms of the condensate dynamic structure factor. KW - atom-chips KW - coherence KW - heating KW - loss KW - magnetic-noise KW - microtraps KW - surface-effects AU - Henkel, C AU - Gardiner, SA PY - 2004/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLRAAN000069000004043602000001&idtype=cvips&gifs=yes ER -

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