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Defect effects on Electron Magneto-Transport in Quantum Wells

ORAL

Abstract

The point-defect effects on the electron magneto-transport in a multiple quantum-well system are investigated by employing a many-body theory. By working within the ladder approximation, our theory takes into account the local-field vertex correction to a bare polarization function of electrons. Moreover, both intralayer and interlayer screening to defect-electron interactions are included within the random-phase approximation. Furthermore, by studying defect charging dynamics, both capture and relaxation times of a point defect, as well as captured density of electrons, are computed as functions of temperature, electron density and different types of point defects. Finally, numerically calculated defect effects on energy-relaxation and momentum-relaxation times of are presented and analyzed for various defect and electron densities and different temperatures as well.

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Presenters

  • Danhong Huang

    Air Force Research Lab, Air Force Research Laboratory, Kirtland Air Force Base, Albuquerque, NM, Kirtland Air Force Research Lab, Space Vehicles Directorate, Air Force Research Lab - Kirtland, Air Force Research Laboratory, Air Force Research Laboratory, Kirtland Airforce Base, Albuquerque, NM

Authors

  • Danhong Huang

    Air Force Research Lab, Air Force Research Laboratory, Kirtland Air Force Base, Albuquerque, NM, Kirtland Air Force Research Lab, Space Vehicles Directorate, Air Force Research Lab - Kirtland, Air Force Research Laboratory, Air Force Research Laboratory, Kirtland Airforce Base, Albuquerque, NM

  • Andrii Iurov

    Medgar Evers College, Medgar Evers College of City University of New York, Medgar Evers college, Department of Physics and Computer Science, Medgar Evers College of City University of New York, Physics and Astronomy, Medgar Evers College, City University of New York, Medgar Evers College of the City University of New York, Department of Physics, Medgar Evers College of City University of New York

  • Fei Gao

    Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor

  • Godfrey Gumbs

    Hunter college, CUNY, Hunter College of the City University of New York, Hunter college, Physics and Astronomy, Hunter college, Department of Physics & Astronomy, Hunter College-CUNY, New York, Physics and Astronomy, Hunter college,City University of New York, Department of Physics and Astronomy, Hunter College of the City University of New York, Physics and Astronomy, Hunter College of CUNY, Physics and Astronomy, Hunter College, City University of New York