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Exciton condensation in quantum Hall bilayers at total filling ν T = 5

We study the coupled quantum Hall bilayers each at half-filled first excited Landau levels by varying the layer distance. Based on numerical exact diagonalization on a torus, we identify two distinct phases separated by a critical layer distance dc. From dc to an infinite layer distance, the topolog...

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Bibliographic Details
Published in:Physical review. B 2019-05, Vol.99 (20), p.201108(R), Article 201108
Main Authors: Zhu, Zheng, Jian, Shao-Kai, Sheng, D. N.
Format: Article
Language:English
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Summary:We study the coupled quantum Hall bilayers each at half-filled first excited Landau levels by varying the layer distance. Based on numerical exact diagonalization on a torus, we identify two distinct phases separated by a critical layer distance dc. From dc to an infinite layer distance, the topological phase is smoothly connected to a direct tensor product of two Moore-Read states, while interlayer coherence emerges at d
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.99.201108