• Density of states in an electrically biased quantum well

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    • Keywords


      Quantum well; electric field; density of states; Wannier–Stark ladder.

    • Abstract


      Density of states in a quantum well has been studied in the presence of an electric field applied perpendicular to the growth direction. We have shown that an extra quantization is introduced to the motion of the electron due to the discrete energy levels known as Wannier–Stark ladder states and the nature of density of electronic states changes from quasi two-dimensional to quasi one-dimensional.

    • Author Affiliations


      A Khan1 S Sinha2 P Panchadhyayee2 3

      1. Electrocom Corporation, P.O. Box 60317, Potomac, MD 20859, USA
      2. Department of Physics and Technophysics, Vidyasagar University, Midnapore 721 102, India
      3. Department of Physics, Prabhat Kumar College, Contai, Contai 721 401, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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