Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1999-09-03
Physics
Condensed Matter
Strongly Correlated Electrons
5 pages with 4 encapsulated figures which come in separate postscript files: latex file: text.tex figures: fig1.eps, fig2.eps,
Scientific paper
10.1103/PhysRevB.61.R13341
The response of a quantum dot in the Kondo regime to rectangular pulsed bias potentials of various strengths and durations is studied theoretically. It is found that the rise time is faster than the fall time, and also faster than time scales normally associated with the Kondo problem. For larger values of the pulsed bias, one can induce dramatic oscillations in the induced current with a frequency approximating the splitting between the Kondo peaks that would be present in steady state. The effect persists in the total charge transported per pulse, which should facilitate the experimental observation of the phenomenon.
Langreth David C.
Nordlander Peter
Plihal Martin
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