Accession Number:

ADA429633

Title:

Nonadiabatic Effects in a Self-Consistent Hartree Model for Electrons under an ac Electric Field in Multiple Quantum Wells

Descriptive Note:

Journal article

Corporate Author:

AIR FORCE RESEARCH LAB KIRTLAND AFB NMSPACE VEHICLES DIRECTORATE

Personal Author(s):

Report Date:

2003-01-01

Pagination or Media Count:

11.0

Abstract:

By deriving a dynamical differential equation for the electron distribution function in the presence of a nonadiabatic sequential-tunneling current under an ac electric field through a multiple quantum-well system, the self-consistent Hartree model is generalized for the calculation of electronic states with the inclusion of nonadiabatic effects dependence on the time derivative of the applied ac electric field in quantum wells. The influences of different doping profiles, temperatures, and amplitudes of an applied ac electric field on the electron distribution function and sequential tunneling are studied. This work provides a fully quantum-mechanical explanation to the previously proposed current-surge model to a leading-order approximation.

Subject Categories:

  • Electricity and Magnetism
  • Quantum Theory and Relativity
  • Solid State Physics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE