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Statistical significance of the fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/14674

Title: Statistical significance of the fine structure in the frequency spectrum of Aharonov-Bohm conductance oscillations
Authors: Meijer, F. E. Browse this author
Morpurgo, A. F. Browse this author
Klapwijk, T. M. Browse this author
Koga, T. Browse this author →KAKEN DB
Nitta, J. Browse this author
Issue Date: 2004
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 69
Issue: 035308
Start Page: 035308-1
End Page: 035308-4
Publisher DOI: 10.1103/PhysRevB.69.035308
Abstract: We discuss a statistical analysis of Aharonov-Bohm conductance oscillations measured in a two-dimensional ring, in the presence of Rashba spin-orbit interaction. Measurements performed at different values of gate voltage are used to calculate the ensemble-averaged modulus of the Fourier spectrum and, at each frequency, the standard deviation associated to the average. This allows us to prove the statistical significance of a splitting that we observe in the h/e peak of the averaged spectrum. Our work illustrates in detail the role of sample specific effects on the frequency spectrum of Aharonov-Bohm conductance oscillations and it demonstrates how fine structures of a different physical origin can be discriminated from sample specific features.
Rights: Copyright © 2004 American Physical Society
Relation: http://www.aps.org/
Type: article
URI: http://hdl.handle.net/2115/14674
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 古賀 貴亮

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