Classical Nuclear Motion in Quantum Transport

Details Classical Nuclear Motion in Quantum Transport Classical Nuclear Motion in Quantum Transport

2006-01-09

arxiv.org/abs/cond-mat/0601171v2

Phys. Rev. Lett. 97, 046603 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.97.046603

An ab initio quantum-classical mixed scheme for the time evolution of electrode-device-electrode systems is introduced to study nuclear dynamics in quantum transport. Two model systems are discussed to illustrate the method. Our results provide the first example of current-induced molecular desorption as obtained from a full time-dependent approach and suggest the use of ac biases as a way to tailor electromigration. They also show the importance of non-adiabatic effects for ultrafast phenomena in nanodevices.

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