Utilization of Quantum Distribution Functions for Ultra-Submicron Device Transport

Abstract

The Wigner representation is considered as a method for describing quantum transport phenomena in connection with submicron device physics. The Wigner distribution function is reviewed, its non-uniqueness discussed; its generalization to other quantum distribution functions is examined. The equation of motion for the Wigner distribution function is described and a new result, the moments of this equation of motion, is derived. It is shown that the moment equations contain quantum corrections to the classical moment equations; these quantum terms are seen to be non-negligible when the carrier transit lengths are of the order of the particle deBroglie wavelength.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1981
Accession Number
ADA115778

Entities

People

  • D. K. Ferry
  • G. J. Iafrate
  • H. L. Grubin

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Analytic Functions
  • Boltzmann Equation
  • Charged Particles
  • Distribution Functions
  • Equations
  • Military Research
  • Momentum
  • New Jersey
  • Physics
  • Potential Energy
  • Probability
  • Probability Distribution Functions
  • Probability Distributions
  • Quantum Mechanics
  • Schrodinger Equation
  • Semiconductors
  • Transport Ships

Fields of Study

  • Physics

Readers

  • Calculus or Mathematical Analysis
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Quantum Computing