Quantum steering of electron wave function in an InAs Y-branch switch
G. M. Jones, M. J. Yang, Y. B. Lyanda-Geller, C. H. Yang
Abstract
We report experiments on gated Y-branch switches made from InAs ballistic electron wave guides. We demonstrate that gating modifies the electron wave functions as well as their interference pattern, causing the anti-correlated, oscillatory transconductances. Such previously unexpected phenomenon provides evidence of steering the electron wave function in a multi-channel transistor structure.
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