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Article Dans Une Revue Physics Letters A Année : 2016

Three-dimensional Gross–Pitaevskii solitary waves in optical lattices: Stabilization using the artificial quartic kinetic energy induced by lattice shaking

Résumé

In this Letter, we show that a three-dimensional Bose–Einstein solitary wave can become stable if the dispersion law is changed from quadratic to quartic. We suggest a way to realize the quartic dispersion, using shaken optical lattices. Estimates show that the resulting solitary waves can occupy as little as ∼1/20-th of the Brillouin zone in each of the three directions and contain as many as N=10^3 atoms, thus representing a fully mobile macroscopic three-dimensional object.

Dates et versions

hal-01281626 , version 1 (02-03-2016)

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Maxim Olshanii, Stephen Choi, Vanja Dunjko, Adrian Feiguin, Hélène Perrin, et al.. Three-dimensional Gross–Pitaevskii solitary waves in optical lattices: Stabilization using the artificial quartic kinetic energy induced by lattice shaking. Physics Letters A, 2016, 380, pp.177. ⟨10.1016/j.physleta.2015.09.008⟩. ⟨hal-01281626⟩
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