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Effect of phonons on the ac conductance of molecular junctions

Akiko Ueda1*, Ora Entin-Wohlman12 and Amnon Aharony12

Author Affiliations

1 Department of Physics, Ben Gurion University, Beer Sheva 84105, Israel

2 Tel Aviv University, Tel Aviv 69978, Israel

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Nanoscale Research Letters 2011, 6:204  doi:10.1186/1556-276X-6-204

Published: 9 March 2011


We theoretically examine the effect of a single phonon mode on the structure of the frequency dependence of the ac conductance of molecular junctions, in the linear response regime. The conductance is enhanced (suppressed) by the electron-phonon interaction when the chemical potential is below (above) the energy of the electronic state on the molecule.

PACS numbers: 71.38.-k, 73.21.La, 73.23.-b