Ballistic electron spectroscopy
F. Hohls, M. Pepper, J. P. Griffiths, G. A. C. Jones, D. A. Ritchie
Abstract
We demonstrate the feasibility of ballistic electron spectroscopy as a new tool for mesoscopic physics. A quantum dot is utilised as an energy-selective detector of non-equilibrium ballistic electrons injected into a two-dimensional electron system. In this paper we use a second quantum dot as the electron injector to evaluate the scheme. We propose an application in the study of interacting 1D and 0D systems.
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