Fei Wang, M. Bonn, J. Shan, M.A. Islam, I. Herman, T. Heinz
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Probing charge carriers in semiconductor quantum dots by terahertz spectroscopy
The terahertz response of photo-excited charge carriers in CdSe quantum dots has been studied. Quantum dots containing a single electron-hole pair exhibit a real polarizability with a magnitude exceeding 10000 /spl Aring//sup 3/.