Abstract
We investigate the modulational instability of nonlinear Schrödinger equations with periodic variation of their coefficients. In particular, we focus on the case of the recently proposed, experimentally realizable protocol of Feshbach Resonance Management for Bose-Einstein condensates. We derive the corresponding linear stability equation analytically and we show that it can be reduced to a Kronig-Penney model, which allows the determination of the windows of instability. The results are tested numerically in the absence, as well as in the presence of the magnetic trapping potential.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 27-31 |
| Number of pages | 5 |
| Journal | Physica Scripta Topical Issues |
| Volume | T107 |
| DOIs | |
| State | Published - 2004 |
| Externally published | Yes |
| Event | International Topical Conference on Plasma Physics: Complex Plasmas in the New Millennium - Santorini Island, Greece Duration: Sep 8 2003 → Sep 12 2003 |
ASJC Scopus subject areas
- General Physics and Astronomy
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