What question did this study set out to answer?

To experimentally test whether current shifts from the edge to the bulk of a two-dimensional conductor in the quantum Hall regime as predicted by screening theory.

June 16, 2025Applied Physics LettersOpen Access

Transition from edge- to bulk-currents in the quantum Hall regime

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Authors

SSS. SirtForschungsverbund Berlin VUV. UmanskyWeizmann Institute of Science ASA. SiddikiAtlas Üniversitesi

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Implication

Experimental study demonstrates a transition from edge- to bulk-currents in a two-dimensional conductor, supporting screening theory over traditional single-particle models.

Key Points

To experimentally test whether current shifts from the edge to the bulk of a two-dimensional conductor in the quantum Hall regime as predicted by screening theory.
Examined electrical transport through a two-dimensional conductor subjected to a perpendicular magnetic field.
Tracked the spatial distribution and pathways of electrical currents across varying magnetic field strengths.
Demonstrated direct experimental proof that current shifts gradually from the outer sample edges into the bulk as the magnetic field increases.
Validated the screening theory model showing that electron–electron interactions split the Hall bar into compressible and incompressible strips.

Cite This Study

Sirt et al. (2025) studied this question.

synapsesocial.com/papers/6a14e5f715979a09e162e4e5 https://doi.org/10.1063/5.0275599

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June 16, 2025Applied Physics LettersOpen Access

Transition from edge- to bulk-currents in the quantum Hall regime

View Full Paper

Ask AI

Bookmark

Authors

SSS. SirtForschungsverbund Berlin VUV. UmanskyWeizmann Institute of Science ASA. SiddikiAtlas Üniversitesi

Discussion

Member takes

Implication

Experimental study demonstrates a transition from edge- to bulk-currents in a two-dimensional conductor, supporting screening theory over traditional single-particle models.

Key Points

To experimentally test whether current shifts from the edge to the bulk of a two-dimensional conductor in the quantum Hall regime as predicted by screening theory.
Examined electrical transport through a two-dimensional conductor subjected to a perpendicular magnetic field.
Tracked the spatial distribution and pathways of electrical currents across varying magnetic field strengths.
Demonstrated direct experimental proof that current shifts gradually from the outer sample edges into the bulk as the magnetic field increases.
Validated the screening theory model showing that electron–electron interactions split the Hall bar into compressible and incompressible strips.

Cite This Study

Sirt et al. (2025) studied this question.

synapsesocial.com/papers/6a14e5f715979a09e162e4e5 https://doi.org/10.1063/5.0275599

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