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One-electron 3+1 and 2+1 Dirac equations are used to calculate the motion of a relativistic electron in a vacuum in the presence of an external magnetic field. First, calculations are carried on an operator level and exact analytical…

Quantum Physics · Physics 2011-01-17 Tomasz M. Rusin , Wlodek Zawadzki

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 Klein-Gordon equation is used to calculate the Zitterbewegung (ZB, trembling motion) of spin-zero particles in absence of fields and in the presence of an external magnetic field. Both Hamiltonian and wave formalisms are employed to…

Quantum Physics · Physics 2012-09-11 Tomasz M. Rusin , Wlodek Zawadzki

We show theoretically that nonrelativistic nearly-free electrons in solids should experience a trembling motion (Zitterbewegung, ZB) in absence of external fields, similarly to relativistic electrons in vacuum. The Zitterbewegung is…

Materials Science · Physics 2007-05-23 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

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

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

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

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

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

Zitterbewegung (ZB), the trembling of free relativistic electrons in a vacuum could be simulated by a single trapped ion. We focus on the variations of ZB under different parity conditions and find no ZB in the case of odd or even parity.…

Quantum Physics · Physics 2011-01-05 Kunling Wang , Tao Liu , Mang Feng , Wanli Yang , Kelin Wang

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

We describe a possibility of creating non-stationary electron wave packets in zigzag carbon nanotubes (CNT) illuminated by short laser pulses. After disappearance of the pulse the packet experiences the trembling motion (Zitterbewegung,…

Mesoscale and Nanoscale Physics · Physics 2015-02-25 Tomasz M Rusin , Wlodek Zawadzki

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

An analogy between the band structure of narrow gap semiconductors and the Dirac equation for relativistic electrons in vacuum is used to demonstrate that semiconductor electrons experience a Zitterbewegung (trembling motion). Its frequency…

Materials Science · Physics 2009-11-10 Wlodek Zawadzki

Zitterbewegung, a force-free trembling motion first predicted for relativistic fermions like electrons, was an unexpected consequence of the Dirac equation's unification of quantum mechanics and special relativity. Though the oscillatory…

We study the effect of an in-plane magnetic field on the zitterbewegung (ZB) of electrons in a semiconductor quantum well (QW) and in a quantum dot (QD) with the Rashba and Dresselhaus spin-orbit interactions. We obtain a general expression…

Mesoscale and Nanoscale Physics · Physics 2012-04-20 Tutul Biswas , Tarun Kanti Ghosh

Electrons in monolayer graphene in the presence of an electromagnetic (or electric) wave are considered theoretically. It is shown that the electron motion is a nonlinear combination of Zitterbewegung (ZB, trembling motion) resulting from…

Mesoscale and Nanoscale Physics · Physics 2013-12-11 Tomasz M Rusin , Wlodek Zawadzki

Zitterbewegung is a striking consequence of relativistic quantum mechanics which predicts that free Dirac electrons exhibit a rapid trembling motion even in the absence of external forces. The trembling motion of an electron results from…

Mesoscale and Nanoscale Physics · Physics 2016-12-20 I. Stepanov , M. Ersfeld , A. V. Poshakinskiy , M. Lepsa , E. L. Ivchenko , S. A. Tarasenko , B. Beschoten

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
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