Nonlinear Dynamic Phenomena in Macroscopic Tunneling

Details Nonlinear Dynamic Phenomena in Macroscopic Tunneling Nonlinear Dynamic Phenomena in Macroscopic Tunneling

2008-05-23

arxiv.org/abs/0805.3730v1

Physics

Condensed Matter

Other Condensed Matter

14 pages, 6 figures

Scientific paper

Numerical simulations of the NLSE (or GPE) are presented demonstrating emission of short pulses of the matter (light) density formed in the course of tunneling in wave-guided light and/or trapped BEC. The phenomenon is observed under various conditions, for nonlinearities of different signs, zero nonlinearity included. We study, both numerically and analytically, pulsations of matter (light) remaining within the trap and use the results in order to induce emission of sequential pulses by properly narrowing the trap. This allows us to propose a mechanism for a realization of Atom Pulse Laser.

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