Abstract
Oscillations in the magnetoresistance were observed in electrostatically controlled double-quantum-wire electron interferometers. The interferometers are constituted by closely located two quantum wires in which the electron wave function is electrostatically controlled by triple Schottky gates, so that the Aharonov–Bohm (AB) type interferometers are effectively formed. The AB oscillations and doubled frequency oscillations are observed in measured samples when the subgates (two side gates) are reverse biased so that the second subband level is depleted in both subgate regions.
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