开放量子系统中的绝热电荷泵
Adiabatic charge pumping in open quantum systems
摘要:
本文介绍了一种外引线连接的量子泵中电荷输运的数学模型。证明了在对描述系统的哈密顿量作相当一般的假设下,在绝热极限下,通过泵的电流由Buttiker,Pretre和Thomas的公式给出,并将其与冻结的S矩阵及其时间导数联系起来。
英文摘要:
We introduce a mathematical setup for charge transport in quantum pump connected to a number of external leads. It is proved that under rather general assumption on the Hamiltonian describing the system, in the adiabatic limit, the current through the pump is given by a formula of Buttiker, Pretre, and Thomas, relating it to the frozen S-matrix and its time derivative.
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