Quasi-condensate growth on an atom chip

Details Quasi-condensate growth on an atom chip Quasi-condensate growth on an atom chip

2005-09-06

arxiv.org/abs/cond-mat/0509154v2

Phys. Rev. A 73, 053603 (2006)

Physics

Condensed Matter

Statistical Mechanics

Detailed Discussion (11 Pages, 7 Fig), Classification of Accessible Regimes, Description of Experimental Techniques

Scientific paper

10.1103/PhysRevA.73.053603

We discuss and model an experiment to study quasi-condensate growth on an atom chip. In particular, we consider the addition of a deep dimple to the weak harmonic trap confining an ultracold one-dimensional atomic Bose gas, below or close to the characteristic temperature for quasi-condensate formation. The subsequent dynamics depends critically on both the initial conditions, and the form of the perturbing potential. In general, the dynamics features a combination of shock-wave propagation in the quasi-condensate, and quasi-condensate growth from the surrounding thermal cloud.

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