Donarini, Andrea and Grifoni, Milena and Richter, Klaus (2006) Dynamical symmetry breaking in transport through molecules. PHYSICAL REVIEW LETTERS, 97 (16): 166801. ISSN 0031-9007,
Full text not available from this repository.Abstract
We analyze the interplay between vibrational and electronic degrees of freedom in charge transport across a molecular single-electron transistor. We focus on the wide class of molecules which possess quasidegenerate vibrational eigenstates, while no degeneracy occurs for their anionic configuration. We show that the combined effect of a thermal environment and coupling to leads, involving tunneling events charging and discharging the molecule, leads to a dynamical symmetry breaking where quasidegenerate eigenstates acquire different occupations. This imbalance gives rise to a characteristic asymmetry of the current versus an applied gate voltage.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | CHARGE-TRANSFER; CONDUCTANCE; JUNCTION; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 20 Jan 2021 09:36 |
| Last Modified: | 20 Jan 2021 09:36 |
| URI: | https://pred.uni-regensburg.de/id/eprint/33870 |
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