Anderson localization of solitons

Details Anderson localization of solitons Anderson localization of solitons

2009-07-02

arxiv.org/abs/0907.0338v2

Phys. Rev. Lett. 103, 210402 (2009).

Physics

Condensed Matter

Quantum Gases

version accepted for publication in Phys. Rev. Lett

Scientific paper

At low temperature, a quasi-one-dimensional ensemble of atoms with attractive interaction forms a bright soliton. When exposed to a weak and smooth external potential, the shape of the soliton is hardly modified, but its center-of-mass motion is affected. We show that in a spatially correlated disordered potential, the quantum motion of a bright soliton displays Anderson localization. The localization length can be much larger than the soliton size and could be observed experimentally.

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