• On the measurement of electron tunnelling time

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    • Keywords


      Tunnelling time; magneto-tunnelling effect; magnetic field intensity

    • Abstract


      A suggestion to experimentally measure the electron tunnelling time by observing the tunnelling current cut-off as a function of the magnetic field intensity in semiconductor pn tunnel junctions, when they are placed in a crossed electric and magnetic field configuration, has been made in this paper. A simple and a rigorous quantum mechanical analysis to justify the above proposition have been presented. An order of agreement between the tunnelling time values derived from the published experimental data and our theoretical prediction has been noticed.

    • Author Affiliations


      D K Roy1 Amitabh Ghosh1

      1. Department of Physics, Indian Institute of Technology, Hauz Khas, New Delhi - 110 016, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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