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10 papers · 2 filters
Quantized pumped charge due to surface acoustic waves in a 1D channel
Amnon Aharony, O. Entin-Wohlman
The adiabatic pumped current through an unbiased one dimensional (1D) channel, connected to two 1D leads and subject to surface acoustic waves (SAW), is calculated exactly for non-…
Quantum Effects in the Conductivity of a Quasi 2D Electron Gas
M. Levanda, V. Fleurov
We consider the role of the third dimension in the conductivity of a quasi 2D electron gas. If the transverse correlation radius of the scattering potential is smaller than the wid…
The Fano Effect in Aharonov-Bohm interferometers
O. Entin-Wohlman, A. Aharony, Y. Imry +1
After briefly reviewing the Fano effect, we explain why it may be relevant to various types of Aharonov-Bohm interferometers. We discuss both closed (electron conserving) and open…
Spin-engineered quantum dots
V. Fleurov, V. A. Ivanov, F. M. Peeters +1
Spatially nonhomogeneously spin polarized nuclei are proposed as a new mechanism to monitor electron states in a nanostructure, or as a means to createn and, if necessary, reshape…
Emergence of a confined state in a weakly bent wire
Erel Granot
In this paper we use a simple straightforward technique to investigate the emergence of a bound state in a weakly bent wire. We show that the bend behaves like an infinitely shallo…
Broken unitarity and phase measurements in Aharonov-Bohm interferometers
O. Entin-Wohlman, A. Aharony, Y. Imry +2
Aharonov-Bohm mesoscopic solid-state interferometers yield a conductance which contains a term , where relates to the magnetic flux. Experiments with a quantum dot o…