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Trapped Ion Quantum Computing

Electrostatics-induced breakdown of the integer quantum Hall effect in cavity QED

arXiv

Authors: Gian Marcello Andolina, Zeno Bacciconi, Alberto Nardin, Marco Schirò, Peter Rabl, Daniele De Bernardis

Year

2025

Paper ID

17513

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

We analyze the recently observed breakdown of the integer quantum Hall effect in a two-dimensional electron gas embedded in a metallic split-ring resonator. By accounting for both the quantized vacuum field and electrostatic boundary modifications, we identify a mechanism that could potentially explain this breakdown in terms of non-chiral edge channels arising from electrostatic boundary effects. For experimentally relevant geometries, a minimal single-electron model of this mechanism predicts characteristic signatures and energy scales consistent with those observed in experiments. These predictions can be directly tested against alternative, purely vacuum-induced explanations to shed further light on the origin of this puzzling phenomenon.

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We analyze the recently observed breakdown of the integer quantum Hall effect in a two-dimensional electron gas embedded in a metallic split-ring resonator.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2511.04744 [2] arXiv https://arxiv.org/abs/2511.04744 [3] Publisher https://arxiv.org/abs/2511.04744

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