Abstract
We consider in this work many-body enhanced electron tunneling through an InAs quantum dot in a magnetic field applied perpendicular to the tunneling direction. We have examined in details the anisotropic behavior of the amplitude and shape of the resonant peaks.
Highlights
We examine in details the anisotropic behavior of the amplitude and shape of the resonant peaks of I-V curves and concluded that (i) magnetotunneling spectroscopy at Fermi Edge Singularity (FES) regime allows establishing position of resonant level in quantum dots (QDs) with high accuracy. (ii) The distinguishable shape of FES peak allows extracting the amplitude with much better accuracy. (iii) FES exponent dependence on magnetic field gives additional information about potential distribution outside QD
(iii) Fermi Edge Singularity (FES) exponent dependence on magnetic field gives additional information about potential distribution outside quantum dots (QDs)
Summary
[1, 2]. in an experimental situation [3] a direct correspondence between the measured values of current or capacitance, and the probability density plots is not observed and their theoretical interdependence should be corrected by a number of factors.
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