Abstract
Magnetoconductance measurements are presented for open electron resonators fabricated in a ${\mathrm{G}\mathrm{a}\mathrm{A}\mathrm{s}/\mathrm{A}\mathrm{l}}_{x}{\mathrm{Ga}}_{1\ensuremath{-}x}\mathrm{As}$ heterostructure. Conductance peaks in the transport signal are observed, which are explained by the constructive interference of electron waves with the Fermi wavelength. The application of a perpendicular magnetic field causes a shift in the peak positions, which is explained by the combined effects of electron trajectory bending and the Aharanov-Bohm phase shift.
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