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Open Quantum Systems Decoherence

Moiré-polaritons in a dark Bose-Einstein condensate.

PubMed

Authors: Santiago-García M, Castillo-López SG, Ruiz-Tijerina DA, Camacho-Guardian A

Year

2026

Paper ID

10176

Status

Peer-reviewed

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~2 min

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Abstract

Quantum mixtures of moiré excitons have arisen as a platform for realizing novel phases of light and matter. Here, we study moiré polaritons coupled to a Bose-Einstein condensate of dark-state excitons confined to a moiré superlattice. We develop a variational approach to analyze the optical response of the system and demonstrate that strong exciton-exciton interactions significantly modify the character of moiré polaritons, leading to the emergence of moiré polaron-polaritons with sizable quasiparticle energy shifts of the avoided crossing between the principal polariton branches, and the emergence of an additional, stable repulsive-polariton bound state.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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Quantum mixtures of moiré excitons have arisen as a platform for realizing novel phases of light and matter.

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References & Citation Signals

[1] DOI https://doi.org/10.1088/1361-648X/ae3ffd [2] Publisher https://pubmed.ncbi.nlm.nih.gov/41616482/

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External citation index: OpenAlex citation signal • updated 2026-06-14 14:56:56

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