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Zitterbewegung (ZB) is a phenomenon in relativistic quantum systems where the electron wave packet exhibits a trembling or oscillating behavior during its motion, caused by its interaction or coupling with the negative energy state. To…

Quantum Physics · Physics 2017-02-01 Guanglei Wang , Hongya Xu , Liang Huang , Ying-Cheng Lai

We present and experimentally study the effects of the photonic spin-orbit coupling on real space propagetion of polariton wavepackets in planar semiconductor microcavities and polaritonic analogs of graphene. In particular, we demonstrate…

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…

Quantum Physics · Physics 2011-09-19 Qi Zhang , Jiangbin Gong , C. H. Oh

The Zitterbewegung (ZB) effect is investigated in graphene with spacially modulated potential near the original Dirac point (ODP) and extra Dirac points (EDPs). Our calculations show that to get the large ZB oscillations, the wave packet…

Mesoscale and Nanoscale Physics · Physics 2020-08-26 Abdellatif Kamal , Ahmed Jellal

We propose an optical lattice scheme which would permit the experimental observation of Zitterbewegung (ZB) with ultracold, neutral atoms. A four-level "tripod" variant of the usual setup for stimulated Raman adiabatic passage (STIRAP) has…

Mesoscale and Nanoscale Physics · Physics 2008-04-17 J. Y. Vaishnav , Charles W. Clark

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…

Quantum Physics · Physics 2015-06-22 E. Romera

Traditionally, the zitterbewegung (ZB) of the Dirac electron has just been studied at the level of quantum mechanics. Seeing that the fact that an old interest in ZB has recently been rekindled by the investigations on spintronic, graphene,…

Quantum Physics · Physics 2008-11-14 Zhi-Yong Wang , Cai-Dong Xiong

In terms of a photon wave function corresponding to the (1, 0)+(0, 1) representation of the Lorentz group, the radiation and Coulomb fields within a source-free region can be described unitedly by a Lorentz-covariant Dirac-like equation. In…

Quantum Physics · Physics 2009-09-26 Zhi-Yong Wang , Cai-Dong Xiong , Qi Qiu

We review recent research on Zitterbewegung (ZB, trembling motion) of electrons in semiconductors. A brief history of the subject is presented, the trembling motion in semirelativistic and spin systems is considered and its main features…

Mesoscale and Nanoscale Physics · Physics 2011-03-22 Wlodek Zawadzki , Tomasz M. Rusin

We present a classical optics simulation of the one-dimensional Dirac equation for a free particle. Positive and negative energy components are represented by orthogonal polarizations of a free propagating beam, while the spatial profile…

Theory of trembling motion [Zitterbewegung (ZB)] of charge carriers in various narrow-gap materials is reviewed. Nearly free electrons in a periodic potential, InSb-type semiconductors, bilayer graphene, monolayer graphene and carbon…

Mesoscale and Nanoscale Physics · Physics 2010-03-30 W. Zawadzki , T. M. Rusin

Zener tunneling in a binary array of coupled optical waveguides with transverse index gradient is shown to produce a sequence of regular or irregular beam splitting and beam recombination events superimposed to Bloch oscillations. These…

Optics · Physics 2009-11-13 Stefano Longhi

Zitterbewegung (ZBW), the trembling motion predicted by the Dirac equation, has long remained unobservable in free electrons due to its sub-Compton scale. We elaborately construct a relativistic vortex electron wave packet as a coherent…

Quantum Physics · Physics 2025-11-27 Zhongze Guo , Bei Xu , Qiang Gu

The Hawking radiation can be viewed from very different perspectives, not all of which can be proved to be rigorously equivalent to one another. On the other hand, an old interest in the zitterbewegung (ZB) of the Dirac electron has…

Quantum Physics · Physics 2011-08-03 Zhi-Yong Wang , Cai-Dong Xiong , Qi Qiu

We demonstrate both classically and quantum mechanically that the Zitterbewegung (ZB, the trembling motion) of electrons in crystalline solids is nothing else, but oscillations of velocity assuring the energy conservation when the electron…

Mesoscale and Nanoscale Physics · Physics 2010-08-11 Wlodek Zawadzki , Tomasz M. Rusin

Electric current and spacial displacement due to trembling motion [Zitterbewegung (ZB)] of electrons in graphene in the presence of an external magnetic field are described. Contributions of both inequivalent $K$ points in the Brillouin…

Mesoscale and Nanoscale Physics · Physics 2010-03-30 Tomasz M. Rusin , Wlodek Zawadzki

The highly successful Dirac equation can predict peculiar effects such as Klein tunneling and the "Zitterbewegung" (German for "trembling motion") of electrons. From the time it was first identified by Erwin Schrodinger, Zitterbewegung (ZB)…

Mesoscale and Nanoscale Physics · Physics 2016-11-22 Yu Iwasaki , Yoshiaki Hashimoto , Taketomo Nakamura , Shingo Katsumoto

Zitterbewegung (ZB, the trembling motion) of free relativistic electrons in a vacuum in the presence of an external magnetic field is calculated. It is shown that the motion of an electron wave packet has intraband frequency components,…

Quantum Physics · Physics 2011-01-04 Tomasz. M. Rusin , Wlodek Zawadzki

We propose an experiment allowing an observation of Zitterbewegung (ZB, trembling motion) of electrons in graphene in the presence of a magnetic field. In contrast to the existing theoretical work we make no assumptions concerning shape of…

Mesoscale and Nanoscale Physics · Physics 2011-12-30 Tomasz M. Rusin , Wlodek Zawadzki

Observable effects due to trembling motion (Zitterbewegung, ZB) of charge carriers in bilayer graphene, monolayer graphene and carbon nanotubes are calculated. It is shown that, when the charge carriers are prepared in the form of gaussian…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Tomasz M. Rusin , Wlodek Zawadzki
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