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Applied Sciences
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Applied Sciences
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https://dx.doi.org/10.48550/ar...
Article . 2020
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Multiple Current Reversals Using Superimposed Driven Lattices

Authors: Aritra K. Mukhopadhyay; Peter Schmelcher;

Multiple Current Reversals Using Superimposed Driven Lattices

Abstract

We demonstrate that directed transport of particles in a two dimensional driven lattice can be dynamically reversed multiple times by superimposing additional spatially localized lattices on top of a background lattice. The timescales of such current reversals can be flexibly controlled by adjusting the spatial locations of the superimposed lattices. The key principle behind the current reversals is the conversion of the particle dynamics from chaotic to ballistic, which allow the particles to explore regions of the underlying phase space which are inaccessible otherwise. Our results can be experimentally realized using cold atoms in driven optical lattices and allow for the control of transport of atomic ensembles in such setups.

Keywords

Technology, QH301-705.5, optical lattice, QC1-999, FOS: Physical sciences, Physics - Classical Physics, Applied Physics (physics.app-ph), current reversal, control of chaos, Biology (General), QD1-999, Condensed Matter - Statistical Mechanics, Statistical Mechanics (cond-mat.stat-mech), T, Physics, Classical Physics (physics.class-ph), Physics - Applied Physics, cold atoms, Engineering (General). Civil engineering (General), directed transport, Chemistry, Quantum Gases (cond-mat.quant-gas), chaotic transport, TA1-2040, Condensed Matter - Quantum Gases

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold