Trapping and transmission of matter-wave solitons in a collisionally inhomogeneous environment
arXiv:cond-mat/0509471 · doi:10.1103/PhysRevA.74.053614
Abstract
We investigate bright matter-wave solitons in the presence of a spatially varying scattering length. It is demonstrated that, even in the absence of any external trapping potential, a soliton can be confined due to the inhomogeneous collisional interactions. Moreover we observe the enhanced transmission of matter-wave solitons through potential barriers for suitably chosen spatial variations of the scattering length. The results indicate that the manipulation of atomic interactions can become a versatile tool to control the dynamics of matter waves.
arXiv comment4 pages, 4 figures
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