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Scattering approach to parametric pumping
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DOI：10.1103/PhysRevB.58.R10135.png)
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摘要
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A dc current can be pumped through a quantum dot by periodically varying two independent parameters X-1 and X-2, like a gate voltage or magnetic field. We present a formula that relates the pumped current to the parametric derivatives of the scattering matrix S(X-1,X-2) of the system. As an application we compute the statistical distribution of the pumped current in the case of a chaotic quantum dot. [S0163-1829(98)52240-0].
Keyword:
ULTRASMALL QUANTUM DOTS
ELECTRON PUMP
CONDUCTORS
TRANSPORT
MATRIX
期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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