Fast forward of adiabatic control of tunneling states

Tutkimustuotos: Lehtiartikkeli


  • Katsuhiro Nakamura
  • Anvar Khujakulov
  • Sanat Avazbaev
  • Shumpei Masuda


  • National University of Uzbekistan named after Mirzo Ulugbek
  • Osaka City University
  • Humboldt University of Berlin
  • Tashkent State Pedagogical University


By developing the preceding work on the fast forward of transient phenomena of quantum tunneling by Khujakulov and Nakamura [Phys. Rev. A 93, 022101 (2016)2469-992610.1103/PhysRevA.93.022101], we propose a scheme of the exact fast forward of adiabatic control of stationary tunneling states with use of the electromagnetic field. The idea allows the acceleration of both the amplitude and phase of wave functions throughout the fast-forward time range. The scheme realizes the fast-forward observation of the transport coefficients under the adiabatically changing barrier with the fixed energy of an incoming particle. As typical examples, we choose systems with (1) Eckart's potential with tunable asymmetry and (2) double δ-function barriers under tunable relative height. We elucidate the driving electric field to guarantee the stationary tunneling state during a rapid change of the barrier and evaluate both the electric-field-induced temporary deviation of transport coefficients from their stationary values and the modulation of the phase of complex scattering coefficients.


JulkaisuPhysical Review A
TilaJulkaistu - 9 kesäkuuta 2017
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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