Converting Zitterbewegung Oscillation to Directed Motion

Details Converting Zitterbewegung Oscillation to Directed Motion Converting Zitterbewegung Oscillation to Directed Motion

2011-05-14

arxiv.org/abs/1105.2884v1

EPL 96 (2011) 10004

Physics

Quantum Physics

4+ pages, 3 figures

Scientific paper

10.1209/0295-5075/96/10004

Zitterbewegung oscillation (ZB), 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.

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