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Topological Quantum Computing

Topological Optical Chirality Dichroism

arXiv
Authors: Wojciech J. Jankowski, Giandomenico Palumbo, Robert-Jan Slager

Year

2026

Paper ID

38975

Status

Preprint

Abstract Read

~2 min

Abstract Words

95

Citations

N/A

Abstract

We report on a universal topological dichroism of chiral three-dimensional systems in response to the chirality of light. We show that chiral topological invariants result in integer-quantized dichroic excitation rate differences. Moreover, we demonstrate that such topological effects arise more generally from coupling optical chirality to higher tensor Berry curvatures and Dixmier-Douady invariants of quantum states, including Hopf indices. We finally propose an experimental setup that leverages superchiral light as a smoking-gun probe of chiral band topologies in three-dimensional materials. Our findings establish an optical route for probing to date unobserved chiral electronic band topologies.

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  • This paper contributes to the Topological Quantum Computing research area in the Quantum Articles archive.
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  • We report on a universal topological dichroism of chiral three-dimensional systems in response to the chirality of light.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2603.28752 [2] arXiv https://arxiv.org/abs/2603.28752 [3] Publisher https://arxiv.org/abs/2603.28752

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