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Title: Converting Zitterbewegung oscillation to directed motion
Authors: Zhang, Q. 
Gong, J.B. 
Oh, C.H. 
Issue Date: Oct-2011
Citation: Zhang, Q., Gong, J.B., Oh, C.H. (2011-10). Converting Zitterbewegung oscillation to directed motion. EPL 96 (1) : -. ScholarBank@NUS Repository.
Abstract: Zitterbewegung (ZB) oscillation, namely, the jittering center-of-mass motion predicted by free-space Dirac (or Dirac-like) equations, has been studied in several different contexts. It is shown here that ZB can be converted to directed center-of-mass motion by a modulation of the Dirac-like equation, if the modulation is on resonance with the ZB frequency. Tailored modulation may also stop, re-launch or even reverse the directed motion of a wavepacket with negligible distortion. The predictions may be examined by current ZB experiments using trapped-ion systems. © 2011 Europhysics Letters Association.
Source Title: EPL
ISSN: 02955075
DOI: 10.1209/0295-5075/96/10004
Appears in Collections:Staff Publications

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