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Mesoscopic rectifiers based on ballistic transport

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Fleischmann,  R.       
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Geisel,  T.
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Fleischmann, R., & Geisel, T. (2002). Mesoscopic rectifiers based on ballistic transport. Physical Review Letters, 89(1): 016804, pp. 016804-1-016804-4.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-176F-1
Abstract
Recent experiments on symmetry-broken mesoscopic semiconductor structures have exhibited an amazing rectifying effect in the transverse current-voltage characteristics with promising prospects for future applications. We present a simple microscopic model, which takes into account the energy dependence of current-carrying modes and explains the rectifying effect by an interplay of fully quantized and quasiclassical transport channels in the system. It also suggests the design of a ballistic rectifier with an optimized rectifying signal and predicts voltage oscillations which may provide an experimental test for the mechanism considered here.