Photoassisted sequential resonant tunneling through superlattices

Abstract

We have analyzed theoretically the photoassisted tunneling current through a superlattice in the presence of an AC potential. For that purpose we have developed a new model to calculate the sequential resonant currrent trhough a superlattice based in the TRansfer Hamiltonian Method. The tunneling current presents new features due to new effective tunneling chanels coming from the photoside bands induced by the AC field. Our theoretical results are in good agreement with the available experimental evidence.

Revtex 3.0 4 pages, 4 figures uuencoded compressed tar-file

References in corpus (2)

• Charging Effects in Ultrasmall Quantum Dots in the Presence of Time-Varying Fields
• Coherent and sequential photoassisted tunneling through a semiconductor double barrier structure

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