Dynamical symmetry breaking in vibration-assisted transport through nanostructures

URN to cite this document:: urn:nbn:de:bvb:355-epub-231553
DOI to cite this document:: 10.5283/epub.23155

Yar, Abdullah ; Donarini, Andrea ; Koller, Sonja ; Grifoni, Milena

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Date of publication of this fulltext: 12 Jan 2012 15:53

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Abstract

A theoretical model of a single molecule coupled to many vibronic modes is presented. At low energies, transport is dominated by electron-vibron processes where transfer of an electron through the dot is accompanied by the excitation or emission of quanta (vibrons). Because the frequency of the nth mode is taken as an nth multiple of the frequency of the fundamental mode, several energetically ...