A delta-kicked model for the quantum ratchet effect

Lei Chen, Chao Xiong, Hong-Chun Yuan and Li-Hua Ding

Physica A: Statistical Mechanics and its Applications, 2014, vol. 398, issue C, 83-88

Abstract: We construct a delta-kicked model for the quantum ratchet effect. Two symmetric flashing potentials alternately act on a particle with a symmetric and homogeneous initial state of zero momentum. Ratchet currents emerge when quantum resonances are excited. We give some results and compare our model and a previous model. Our work provides a way to control the quantum transport of cold atoms experimentally.

Keywords: Quantum ratchet effect; Delta-kicked model; Quantum resonance (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:398:y:2014:i:c:p:83-88

DOI: 10.1016/j.physa.2013.12.011

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