Abstract
We present shot noise measurements in the fractional quantum Hall regime at ν= 1 3 when the fractional edges are weakly coupled by an artificial impurity, namely a quantum point contact. At low voltage, when the weak coupling is renormalized by the interaction and leads to strong backscattering, shot noise measurements show super Poissonian shot noise with a charge close to 2 e or even above.
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More From: Physica E: Low-dimensional Systems and Nanostructures
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