Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-03-06
Physics
Condensed Matter
Other Condensed Matter
4 pages, 5 figures
Scientific paper
We put forward a scheme for controlling Josephson-like tunneling in two-component Bose-Einstein condensates coupled with microwave field via Feshbach resonance and tuning aspect ratio of trapping potential. We prove how to realize a perfect periodic oscillation from a fast damped and irregular oscillation on relative number of atoms in future experiment. In particular, intensity of Josephson-like tunneling can be successfully controlled through controlling speed of recovering the initial value of intra-atomic interaction and aspect ratio of trapping potential. Interestingly, we find that relative number of atoms represents two different types of oscillation in respond to periodic modulation of attractive intra-atomic interaction.
Liu Wei-Min
Xiong B.
Zhang Weiping
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