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102. 


Nonequilibrium resonant spectroscopy of molecular vibrons



D. A. Ryndyk and G. Cuniberti

Physical Review B 76, 155430 (2007)

Selected for the November 05, 2007 issue of the Virtual Journal of Nanoscale Science & Technology and for the November 01, 2007 issue of the
Virtual Journal of Biological Physics Research.
.

Quantum transport through single molecules is essentially affected by molecular vibrations. We investigate the behavior of the prototype single-level model with intermediate electron-vibron coupling and arbitrary coupling to the leads. We have developed a theory which allows to explore this regime via the nonequilibrium Green function formalism. We show that the nonequilibrium resonant spectroscopy is able to determine the energies of molecular orbitals and the spectrum of molecular vibrations. Our results are relevant to scanning tunneling spectroscopy experiments, and demonstrate the importance of the systematic and self-consistent investigation of the effects of the vibronic dynamics onto the transport through single molecules.



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doi absolute link10.1103/PhysRevB.76.155430
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publisher site (ISSN:1550-235X)
online abstractarXiv preprint: cond-mat/0701086
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