Tunneling effect of the spin-2 Bose condensate driven by external magnetic fields

Details Tunneling effect of the spin-2 Bose condensate driven by external magnetic fields Tunneling effect of the spin-2 Bose condensate driven by external magnetic fields

2003-11-15

arxiv.org/abs/cond-mat/0311363v1

Physics

Condensed Matter

11 pages, 6 figures, accpeted by Physics Letter A

Scientific paper

In this paper, we have studied tunneling effect of the spin-2 Bose condensate driven by external magnetic field. We find that the population transfers among spin-0 and spin-$\pm1$, spin-0 and spin-$\pm2$ exhibit the step structure under the external cosinusoidal magnetic field respectively, but there do not exist step structure among spin-$\pm1$ and spin-$\pm2$. The tunneling current among spin-$\pm1$ and spin-$\pm2$ may exhibit periodically oscillation behavior, but among spin-0 and spin-$\pm1$, spin-0 and spin-$\pm2$, the tunneling currents exhibit irregular oscillation behavior.

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