Volume 77, Number 6, March 2007
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||02 March 2007|
Theory of one-dimensional double-barrier quantum pump in two-frequency signal regime
Institute of Semiconductor Physics, Siberian Division, Russian Academy of Sciences - Novosibirsk, 630090 Russia
Corresponding authors: email@example.com firstname.lastname@example.org
Accepted: 2 February 2007
A one-dimensional quantum pump with oscillating double -like barriers/wells is studied. We assume that the oscillations contain two frequencies ω and . The alternating signal leads to the direct current across the structure even in a symmetric system. The properties of this quantum pump are studied in a wide range of the system parameters.
PACS: 73.23.-b – Electronic transport in mesoscopic systems / 73.50.Pz – Photoconduction and photovoltaic effects / 85.35.Be – Quantum well devices (quantum dots, quantum wires, etc.)
© Europhysics Letters Association, 2007
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