What question did this study set out to answer?

To examine the real-space spreading and coherence of triplet cyclotron magnetoexcitons in a quantum Hall dielectric.

April 16, 2026

Magnetoexciton Condensate in a Quantum Hall Dielectric: Spreading and Coherence

AGA. V. GorbunovOsipyan Institute of Solid State Physics RAS ALA. V. LarionovOsipyan Institute of Solid State Physics RAS LKL. V. KulikOsipyan Institute of Solid State Physics RAS

Key Points

To examine the real-space spreading and coherence of triplet cyclotron magnetoexcitons in a quantum Hall dielectric.
Utilized a high-resolution high-aperture optical system for visualization.
Analyzed the photoinduced reflectance spectrum for resonances.
Conducted a comparative analysis of transport properties and spatial coherence.
Detected several resonances in the photoinduced reflectance spectrum.
Identified correlations between transport properties and spatial coherence of the magnetoexciton condensate.

Abstract

A high-resolution high-aperture optical system was used to visualize the real-space spreading of a dense ensemble of triplet cyclotron magnetoexcitons in a quantum Hall dielectric at a filling factor of ν = 2. Several resonances were detected in the photoinduced reflectance spectrum. A comparative analysis of the correlations between the transport properties and spatial coherence of the magnetoexciton condensate was performed.

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