Quantum Transport Theory for Semiconductor Superlattices

Abstract

The Kadanoff Baym Keldysh nonequilibnum Greens function technique is used to study quantum transport within the lowest miniband of semiconductor superlattices (SLs) under high electric fields. Both intra-collisional field effects (ICFEs) and lifetime broadening are taken into account. An inevitable extension of the generalized Kadanoff Baym ansatz is discussed. The collisional broadening of electro-phonon resonances due to scattering on impurities is calculated. Even if the mean impurity scattering strength is considerably smaller than the miniband width, the oscillatory current anomalies. which result from ICFEs. are completely smeared out.

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Document Details

Document Type
Technical Report
Publication Date
Jun 18, 1999
Accession Number
ADP012876

Entities

People

  • P. Kleinert
  • V. V. Bryksin

Organizations

  • Russian Academy of Sciences

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Current Density
  • Distribution Functions
  • Elastic Scattering
  • Electric Fields
  • Electron Gas
  • Electrons
  • Energy Bands
  • Equations
  • Impurities
  • Liouville Equation
  • Nanostructures
  • Resonance
  • Scattering
  • Semiconductors
  • Superlattices
  • Technical Information Centers
  • Time Dependence

Fields of Study

  • Physics

Readers

  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.

Technology Areas

  • Microelectronics
  • Quantum Computing
  • Quantum Science - Quantum Dots