Laser-assisted conductance of molecular wires

A. Keller, O. Atabek, M. Ratner, V. Mujica

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


An explicit expression is worked out for the conductance of a system consisting of a molecular wire, described within a homogeneous tight-binding model, bridging two electrodes illuminated by a weak laser, in the limit of linear radiative response, zero temperature and low bias voltage. Frequency tuning leads to valuable spectroscopic information on the system. More interesting is the prediction of an enhancement of the total current by several orders of magnitude, opening the possibility of nanoscale switch design.

Original languageEnglish
Pages (from-to)4981-4988
Number of pages8
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Issue number24
Publication statusPublished - Dec 28 2002

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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