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Phase coherence and tunneling between edge-states in multiple GaAs/AlxGa-x-x-xAs ringsJ. LiuW.X. Gaoet al.1994Journal of Low Temperature Physics
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Cyclotron trapping, mode spectroscopy, and mass enhancement in small GaAs/AlxGa1-xAs ringsJ. LiuK. Ismailet al.1993Physical Review B