Tunneling of massive dirac fermions in graphene through time-periodic potential View Full Text


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Article Info

DATE

2014-06-02

AUTHORS

Ahmed Jellal, Miloud Mekkaoui, El Bouâzzaoui Choubabi, Hocine Bahlouli

ABSTRACT

The energy spectrum of a graphene sheet subject to a single barrier potential having a time periodic oscillating height and subject to a magnetic field is analyzed. The corresponding transmission is studied as function of the incident energy and potential parameters. Quantum interference within the oscillating barrier has an important effect on quasiparticles tunneling. In particular the time-periodic electrostatic potential generates additional sidebands at energies ϵ + lħω (l = 0, ±1,...) in the transmission probability originating from the photon absorption or emission within the oscillating barrier. Due to numerical difficulties in truncating the resulting coupled channel equations we limited ourselves to low quantum channels, i.e. l = 0, ± 1. More... »

PAGES

123

References to SciGraph publications

  • 2012-10-24. Relativistic Brownian motion on a graphene chip in THE EUROPEAN PHYSICAL JOURNAL B
  • 2013-05-07. Adiabatic quantum pumping in graphene with magnetic barriers in THE EUROPEAN PHYSICAL JOURNAL B
  • 2013-10-14. Josephson-like currents in graphene for arbitrary time-dependent potential barriers in THE EUROPEAN PHYSICAL JOURNAL B
  • 2007-03. The rise of graphene in NATURE MATERIALS
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    http://scigraph.springernature.com/pub.10.1140/epjb/e2014-41096-3

    DOI

    http://dx.doi.org/10.1140/epjb/e2014-41096-3

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