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Experimental Realization Of A Quantum Spin Pump
PHYSICAL REVIEW LETTERS, no. 25 (2003)
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摘要
We demonstrate the operation of a quantum spin pump based on cyclic radio-frequency excitation of a GaAs quantum dot, including the ability to pump pure spin without pumping charge. The device takes advantage of bidirectional mesoscopic fluctuations of pumped current, made spin dependent by the application of an in-plane Zeeman field. Spi...更多
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