Modulational instability of spinor condensates

Details Modulational instability of spinor condensates Modulational instability of spinor condensates

2001-05-17

arxiv.org/abs/cond-mat/0105353v2

Physics

Condensed Matter

4 pages, 4 figures. Accepted for Phys. Rev. A Rapid Communications

Scientific paper

10.1103/PhysRevA.64.021601

We demonstrate, analytically and numerically, that the ferromagnetic phase of the spinor Bose-Einstein condenstate may experience modulational instability of the ground state leading to a fragmentation of the spin domains. Together with other nonlinear effects in the atomic optics of ultra-cold gases (such as coherent photoassociation and four-wave mixing) this effect provides one more analogy between coherent matter waves and light waves in nonlinear optics.

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