Resonant escape over an oscillating barrier in single-electron ratchet transfer

Details Resonant escape over an oscillating barrier in single-electron ratchet transfer Resonant escape over an oscillating barrier in single-electron ratchet transfer

2010-02-11

arxiv.org/abs/1002.2422v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

Single-electron escape from a metastable state over an oscillating barrier is experimentally investigated in silicon-based ratchet transfer. When the barrier is oscillating on a time scale characteristic of the single-electron escape, synchronization occurs between the deterministic barrier modulation and the stochastic escape events. The average escape time as a function of its oscillation frequency exhibits a minimum providing a primary signature for resonant activation of single electrons.

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