Phonon-assisted tunneling through a double quantum dot system

Details Phonon-assisted tunneling through a double quantum dot system Phonon-assisted tunneling through a double quantum dot system

2012-04-10

arxiv.org/abs/1204.2162v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13 pages, 4 figures

Scientific paper

Electron transport through a double quantum dot system is studied with taking into account electron-phonon interaction. The Keldysh nonequilibrium Green function formalism is used to compute the current and transmission coefficient of the system. The influence of the electron-phonon interaction, interdot tunneling, and temperature on the density of states and current is analyzed. Results show that although the electron-phonon interaction results in the appearance of side peaks in the conductance at low temperatures, they are disappeared in high temperatures.

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