Current-driven dynamics in quantum electronics

Tamar Seideman*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We suggest that inelastic electron tunnelling via molecular-scale electronics can induce a variety of fascinating dynamic processes in the molecular moiety. These include vibration, rotation, intermode energy flow and reaction. Potential applications of current-induced dynamics in molecular-scale devices range from new forms of molecular machines and approaches to enhancing the conductivity of molecular wires, to new directions in nanochemistry and nanolithography. Understanding the molecular properties that encourage current-triggered dynamics is relevant also to the design of devices that would be guaranteed to remain stable under current. We discuss the qualitative physics underlying current-driven dynamics, briefly sketch a theory developed to explore these dynamics, describe a few examples from recent and ongoing numerical work and note avenues for future research.

Original languageEnglish (US)
Pages (from-to)2393-2410
Number of pages18
JournalJournal of Modern Optics
Volume50-15
Issue number17
DOIs
StatePublished - Jan 1 2003

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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