Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2005-12-11
Physical Review B vol. 74, p.125317 (2006)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
7 pages, 8 figures
Scientific paper
10.1103/PhysRevB.74.125317
We study a one-dimensional quantum pump composed of two oscillating delta-functional barriers. The linear and non-linear regimes are considered. The harmonic signal applied to any or both barriers causes the stationary current. The direction and value of the current depend on the frequency, distance between barriers, value of stationary and oscillating parts of barrier potential and the phase shift between alternating voltages.
Braginskii L. S.
Entin V. M.
Mahmoodian M. M.
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