1207.0284 (Chuan-Yu Lin et al.)

Real-time dynamics of single-electron pumping    [PDF]

Chuan-Yu Lin, Wei-Min Zhang

In this Letter, we study the real-ime dynamics of single-electron pumpings. We modulate the left tunneling barrier along with the dot level but slightly changing the right barrier to operate the single-electron pumping device at zero bias. We show the adiabatic to the non-adiabatic transition in pumping operations. We also find that the relation $I=e\omega/2\pi$ is only valid in the low operating frequency adiabatic regime.

View original: http://arxiv.org/abs/1207.0284