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Proceedings Paper

Reduction of mesoscopic conductance fluctuations by a magnetic field
Author(s): Philippe Debray; Jose Vicente
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Paper Abstract

We have studied conductance fluctuations 5g due to quantum interference in mesoscopic modulation doped GaAs/AIGaAs heterostructures as a function of Fermi energy EF and as discrete time-dependent switching noise in various applied magnetic fields B at low temperatures. These systems have no, or negligibly small spin-orbit scattering. We observe a reduction of the variance by a net factor of four. This reduction results from a breaking of the spin degeneracy due to Zeeman splitting.

Paper Details

Date Published: 1 October 1990
PDF: 7 pages
Proc. SPIE 1284, Nanostructure and Microstructure Correlation with Physical Properties of Semiconductors, (1 October 1990); doi: 10.1117/12.20775
Show Author Affiliations
Philippe Debray, Ctr. d'Etudes Nucleaires de Sa (France)
Jose Vicente, Thomson-CSF (Spain)


Published in SPIE Proceedings Vol. 1284:
Nanostructure and Microstructure Correlation with Physical Properties of Semiconductors
Harold G. Craighead; J. Murray Gibson, Editor(s)

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