On Transport in Heterostructures within the Independent-Particle Picture

  • J. Zhang
  • W. Pötz
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 113)


We use a fully self-consistent model for the I–V characteristic of quantum-heterostructures to investigate effects of the carrier-carrier interaction within the mean-field approximation. We compare the Hartree approximation with two models which account for exchange-correlation effects within the local density approximation. We find that the Hartree term provides the dominant correction to the shape of the I–V curve, while exchange-correlation effects merely narrow the width of the bistable-voltage region.


Buffer Layer Local Density Approximation Resonant Tunneling Double Barrier Hartree Approximation 
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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • J. Zhang
    • 1
  • W. Pötz
    • 1
  1. 1.Department of PhysicsUniversity of Illinois at ChicagoUSA

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