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Regular version of the site

Article

Localized charge bifurcation in the coupled quantum dots

Solid State Communications. 2012. Vol. 152. P. 1545-1550.
Arseyev P., Maslova N. S., Mantsevich V. N.

We analyzed theoretically localized charge relaxation in a double quantum dot (QD) system coupled with continuous spectrum states in the presence of localized electrons Coulomb interaction in a single QD. We have found that for a wide range of system parameters charge relaxation occurs through two stable regimes with significantly different relaxation rates. A peculiar time moment exists in the system at which rapid switching between stable regimes takes place. We consider this phenomenon to be applicable for creation of active elements in nano-electronics based on the fast transition effect between two stable states.