Sub-Diffractive Band-Edge Solitons in Bose-Einstein Condensates in Periodic Potentials
arXiv:cond-mat/0510478 · doi:10.1103/PhysRevE.73.065603
Abstract
A new type of matter wave diffraction management is presented that leads to sub-diffractive soliton-like structures. The proposed management technique uses two counter-moving, identical periodic potentials (e.g. optical lattices). For suitable lattice parameters a novel type of atomic band-gap structure appears in which the effective atomic mass becomes infinite at the lowest edge of an energy band. This way normal matter-wave diffraction (proportional to the square of the atomic momentum) is replaced by fourth-order diffraction, and hence the evolution of the system becomes sub-diffractive.
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Cited by in corpus (13)
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- Localized gap soliton trains of Bose-Einstein condensates in an optical lattice
- Self collimation of ultrasound in a 3D sonic crystal
- Taming of Modulation Instability by Spatio-Temporal Modulation of the Potential
- Delicate and robust dynamical recurrences of matter waves in driven optical crystals
- Dynamics of matter-wave solitons in a time-modulated two-dimensional optical lattice
- High-Directional Wave Propagation in Periodic Gain/Loss Modulated Materials
- Spatial solitons under competing linear and nonlinear diffractions
- Aberration-driven tilted emission in degenerate cavities
- Double-discrete solitons in fishnet arrays of optical fibers
- Soliton shape and mobility control in optical lattices
- Anisotropic Subdiffractive Solitons