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Signatures of folded branches in the scanning gate microscopy of ballistic electronic cavities

by Keith R. Fratus, Camille Le Calonnec, Rodolfo A. Jalabert, Guillaume Weick, Dietmar Weinmann

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Submission summary

Authors (as registered SciPost users): Guillaume Weick · Dietmar Weinmann
Submission information
Preprint Link: scipost_202103_00003v1  (pdf)
Date accepted: 2021-03-11
Date submitted: 2021-03-03 12:47
Submitted by: Weinmann, Dietmar
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
Specialties:
  • Condensed Matter Physics - Theory
Approach: Theoretical

Abstract

We demonstrate the emergence of classical features in electronic quantum transport for the scanning gate microscopy response in a cavity defined by a quantum point contact and a micron-sized circular reflector. The branches in electronic flow characteristic of a quantum point contact opening on a two-dimensional electron gas with weak disorder are folded by the reflector, yielding a complex spatial pattern. Considering the deflection of classical trajectories by the scanning gate tip allows to establish simple relationships of the scanning pattern, which are in agreement with recent experimental findings.

Author comments upon resubmission

Dear editors,
As requested, we have included in our manuscript a link to reproducibility-enabling resources. We herewith resubmit the new version for publication in SciPost.
Best regards,
Dietmar Weinmann

List of changes

A paragraph "Reproducibility-enabling resources" with a link to a folder on the cloud of our institute has been added after the Funding information and before the Appendices.

Published as SciPost Phys. 10, 069 (2021)

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