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VLSI Design
Volume 8 (1998), Issue 1-4, Pages 507-513

Multiband Quantum Transmitting Boundary Method for Non-orthogonal Basis

1Department of Physics, National Tsing Hua University, Hsinchu 300, ROC, Taiwan
2Department of Physics, University of Illinois at Urbana-Champaign 1110 W. Green St., Urbana, Illinois 61801, USA

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We generalize the Multiband Quantum Transmitting Boundary Method (MQTBM) for computing transmission coefficients in heterostructure to tight-binding-like band structure models with non-orthogonal basis and multiple neighbor interactions. We implement this method based on the newly developed planar-basis pseudopotential method which uses the generalized planar Wannier function basis. We demonstrate the method by computing transmission coefficients for a GaAs/AlAs double barrier structure.