Quantum boomeranglike effect of wave packets in random media
arXiv:1704.05241 · doi:10.1103/PhysRevA.99.023629
Abstract
We unveil an original manifestation of Anderson localization for wave packets launched with a finite average velocity: after an initial ballistic motion, the center of mass of the wave packet experiences a retroreflection and slowly returns to its initial position, an effect that we dub "Quantum Boomerang" and describe numerically and analytically in dimension 1. In dimension 3, we show numerically that the quantum boomerang is a genuine signature of Anderson localization: it exists if and only if the quantum dynamics if localized.
Published version
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- Quantum Boomerang Effect in Time-Crystalline Structures
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