Zitterbewegung study in Dirac oscillator with laser pulse

Ph. Blanchard, Ph. Combe, M. Sirugue +1 more

Alexei A. Deriglazov

S.V. Vonsovskii

Qi Zhang, Jiangbin Gong, C. H. Oh

By considering mirror oscillation in a ``tripod-scheme'' laser-atom system, we advocate explorative studies of driven Dirac-like equations. Both analytical and numerical studies show that mirror oscillation can be used to drive an effective spin-orbit interaction and hence control the amplitude, the frequency, and the damping of the cold-atom Zitterbewegung oscillation. Our results demonstrate an interesting coupling between the mirror mechanical motion and a fundamental quantum coherent oscillation, opening up new means of matter-wave manipulation.

C. Quesne

E. Romera

In this paper a bound localized Dirac particle is shown to exhibit a revival of the zitterbewegung (ZB) oscillation amplitude. These revivals go beyond the known quasiclassical regenerations in which the ZB oscillation amplitude is decreasing from period to period. This phenomenon is studied in a Dirac oscillator and it is shown that it is possible to set up wave packets in which there is a regeneration of the initial ZB amplitude.