Transient Response in Mesoscopic Devices

Leonard F Register, Umberto Ravaioli, Karl Hess

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Preliminary results of a numerical method for modeling translent through steady-state conditions in mesoscopic devices are presented. Here, the time-evolution of n-dimensional carrier wave functions are simulated, rather than corresponding 2n-dimensional density matrices or Wigner functions, to allow more ready simulation in two and three-dimensional devices structures. The primary features of this numerical method are (1) a tight-binding formulation of the quantum mechanical Hamiltonian, (2) near-ideal open boundary conditions, and (3) Crank-Nichols on evaluation of the resulting spatially discrete time-dependent Schrödinger equation. Example mesoscopic device structures considered are a two-dimensional quantum wire and an idealized T-structure based translstor.
Original languageEnglish (US)
Title of host publicationComputational Electronics
Subtitle of host publicationSemiconductor Transport and Device Simulation
EditorsK. Hess, J. P. Leburton, U. Ravaioli
PublisherSpringer
Chapter47
Pages235-238
ISBN (Electronic)9781475721249
ISBN (Print)9781441951229, 9780792390886
DOIs
StatePublished - 1991

Publication series

NameThe Springer International Series in Engineering and Computer Science
Volume113
ISSN (Print)0893-3405

Keywords

  • Transient Response
  • Persistent Oscillation
  • Resonant Tunneling Diode
  • Wigner Function

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