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Inelastic tunneling shot noise in quantum dot systems

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3 Author(s)
Bing Dong ; Dept. of Phys. & Eng. Phys., Stevens Inst. of Technol., Hoboken, NJ, USA ; Morgenstem Horing, N.J. ; Cui, H.L.

We analyze the role of inelastic electron scattering by phonons on current and its fluctuations in a quantum dot (QD) between two leads nonperturbatively using a recently developed mapping of the many-body electron-phonon coupling problem onto a multichannel single-electron scattering problem. Using the Buttiker scattering theory of noise correlations in a two-terminal mesoscopic conductor, we derive explicit expressions for current and zero-frequency current-current fluctuations in terms of transmission and reflection amplitudes. The derived formulae are used to calculate the shot noise properties of quantum dot systems.

Published in:

Nanotechnology, 2005. 5th IEEE Conference on

Date of Conference:

11-15 July 2005