Nonlocal effects in semiconductor nanostructure transport

D. K. Ferry, R. Akis

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

A small quantum system, such as a quantum dot, can be considered to be mainly closed, in which case current flow follows by tunneling, or can be mainly open, in which case the conductance is several times 2e2/h, the quantum unit of conductance. Even in this case, however, there are trapped states within the quantum system which impact transport via phase space tunneling. When we have multiple systems, either an array of dots or of quantum point contacts, or of a combination of these, then there is the chance for a more nonlocal interaction to occur, and to affect the transport. Some of these cases are discussed in this paper.

Original languageEnglish (US)
Article number454201
JournalJournal of Physics Condensed Matter
Volume20
Issue number45
DOIs
StatePublished - Nov 12 2008

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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