Double-Slit Interferometry with a Bose-Einstein Condensate

Details Double-Slit Interferometry with a Bose-Einstein Condensate Double-Slit Interferometry with a Bose-Einstein Condensate

2004-04-06

arxiv.org/abs/cond-mat/0404149v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.71.033628

A Bose-Einstein "double-slit" interferometer has been recently realized experimentally by (Y. Shin et. al., Phys. Rev. Lett. 92 50405 (2004)). We analyze the interferometric steps by solving numerically the time-dependent Gross-Pitaevski equation in three-dimensional space. We focus on the adiabaticity time scales of the problem and on the creation of spurious collective excitations as a possible source of the strong dephasing observed experimentally. The role of quantum fluctuations is discussed.

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