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Viscous electron flow in mesoscopic two-dimensional electron gas

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arxiv 1802.09619 v2 pith:3RCVGRBP submitted 2018-02-26 cond-mat.mes-hall

classification cond-mat.mes-hall
keywords electronmesoscopicflowtransporttwo-dimensionalviscousaffectsattribute
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We report electrical and magneto transport measurements in mesoscopic size, two-dimensional (2D) electron gas in a GaAs quantum well. Remarkably, we find that the probe configuration and sample geometry strongly affects the temperature evolution of local resistance. We attribute all transport properties to the presence of hydrodynamic effects. Experimental results confirm the theoretically predicted significance of viscous flow in mesoscopic devices.

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Cited by 1 Pith paper

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  1. Sign of viscous magnetoresistance in electron fluids

    cond-mat.str-el 2019-08 conditional novelty 6.0 of 10

    Bulk viscous electron flow has positive magnetoresistance for arbitrary inhomogeneity in one-dimensional periodic models and in weakly inhomogeneous ballistic-to-hydrodynamic crossover calculations, unlike narrow channels.

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