Journal of Computational Electronics

, Volume 3, Issue 3–4, pp 429–433 | Cite as

High-Resolution Numerical Study of Conductance and Noise Imaging of Mesoscopic Devices

  • M. MacucciEmail author
  • P. Marconcini


We present a numerical approach, based on an optimized recursive Green’s function procedure, for the simulation of the imaging process performed by scanning a device with a negatively biased probe while monitoring its conductance, or, as we propose in this contribution, its shot noise. We discuss a few examples, for an adiabatic quantum dot and for mesoscopic cavities, studied over a 200 × 300 points discretization mesh. The effect of disorder associated with the random distribution of dopants is included in some of the simulations by means of a semi-analytical procedure for the evaluation of the screening from the 2DEG.


conductance imaging mesoscopic cavity electron flow 


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Copyright information

© Springer Science + Business Media, Inc. 2004

Authors and Affiliations

  1. 1.Dipartimento di Ingegneria dell’Informazione—Università di PisaPisaItaly

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