Manifestation of Berry’s phase in Aharonov–Bohm oscillations in a 2D system with spin–orbit interaction

Fourier spectra of the Aharonov–Bohm oscillations, measured in GaAs two-dimensional holes with a strong spin–orbit interaction, reveal side peaks in addition to the center peak whose frequency corresponds to the radius of the ring. A comparison of the experimental data with results of simulations de...

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Bibliographic Details
Published in:Microelectronic engineering 2002-08, Vol.63 (1), p.211-216
Main Authors: Yau, Jeng-Bang, De Poortere, E.P., Shayegan, M.
Format: Article
Language:English
Subjects:
Aharonov–Bohm oscillations
Berry’s phase
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity phenomena in semiconductors and insulators
Electronic transport in condensed matter
Exact sciences and technology
Physics
Spin–orbit interaction
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Summary:Fourier spectra of the Aharonov–Bohm oscillations, measured in GaAs two-dimensional holes with a strong spin–orbit interaction, reveal side peaks in addition to the center peak whose frequency corresponds to the radius of the ring. A comparison of the experimental data with results of simulations demonstrates that the origin of the side peaks is the Berry’s phase.
ISSN:0167-9317
1873-5568
DOI:10.1016/S0167-9317(02)00605-6