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

Authors:
Jeng-Bang Yau;E. P. De Poortere;M. Shayegan
Affiliations:
Department of Electrical Engineering, Princeton University, Princeton, NJ;Department of Electrical Engineering, Princeton University, Princeton, NJ;Department of Electrical Engineering, Princeton University, Princeton, NJ
Venue:
Microelectronic Engineering
Year:
2002

Citing 2
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Discrete-time signal processing

Discrete-time signal processing
Magnetoresistance oscillations in an Aharonov-Bohm ring using two-dimensional electron gas InAs

Proceedings of the fourth international symposium on new phenomena in mesoscopic structures on New phenomena in mesoscopic structures

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Abstract

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.