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Spontaneous current generation in gated nanostructures
D. W. Horsell, A. K. Savchenko, Y. M. Galperin +3
We have observed an unusual dc current spontaneously generated in the conducting channel of a short-gated GaAs transistor. The magnitude and direction of this current critically de…
Shot Noise in Mesoscopic Transport Through Localised States
A. K. Savchenko, S. S. Safonov, S. H. Roshko +5
We show that shot noise can be used for studies of hopping and resonant tunnelling between localised electron states. In hopping via several states, shot noise is seen to be suppre…
Interactions in high-mobility 2D electron and hole systems
E. A. Galaktionov, A. K. Savchenko, S. S. Safonov +7
Electron-electron interactions mediated by impurities are studied in several high-mobility two-dimensional (electron and hole) systems where the parameter changes fr…