Berry Curvature and Bulk-Boundary Correspondence from Transport Measurement for Photonic Chern Bands

Chen, Chao; Liu, Run-Ze; Wu, Jizhou; Su, Zu-En; Ding, Xing; Qin, Jian; Wang, Lin; Zhang, Wei-Wei; He, Yu; Wang, Xi-Lin

Berry Curvature and Bulk-Boundary Correspondence from Transport Measurement for Photonic Chern Bands

Dateien

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Datum

2023

Autor:innen

Chen, Chao

Liu, Run-Ze

Wu, Jizhou

Su, Zu-En

Ding, Xing

Qin, Jian

Wang, Lin

Zhang, Wei-Wei

He, Yu

Wang, Xi-Lin

et al.

DOI (zitierfähiger Link)

https://doi.org/10.1103/physrevlett.131.133601

Angaben zur Forschungsförderung

National Natural Science Foundation of China: 11825401
National Natural Science Foundation of China: 11921005
National Natural Science Foundation of China: 12261160368
National Natural Science Foundation of China: 12104101

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review Letters. American Physical Society (APS). 2023, 131(13), 133601. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/physrevlett.131.133601

Zusammenfassung

Berry curvature is a fundamental element to characterize topological quantum physics, while a full measurement of Berry curvature in momentum space was not reported for topological states. Here we achieve two-dimensional Berry curvature reconstruction in a photonic quantum anomalous Hall system via Hall transport measurement of a momentum-resolved wave packet. Integrating measured Berry curvature over the two-dimensional Brillouin zone, we obtain Chern numbers corresponding to -1 and 0. Further, we identify bulk-boundary correspondence by measuring topology-linked chiral edge states at the boundary. The full topological characterization of photonic Chern bands from Berry curvature, Chern number, and edge transport measurements enables our photonic system to serve as a versatile platform for further indepth study of novel topological physics.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

CHEN, Chao, Run-Ze LIU, Jizhou WU, Zu-En SU, Xing DING, Jian QIN, Lin WANG, Wei-Wei ZHANG, Yu HE, Xi-Lin WANG, 2023. Berry Curvature and Bulk-Boundary Correspondence from Transport Measurement for Photonic Chern Bands. In: Physical Review Letters. American Physical Society (APS). 2023, 131(13), 133601. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/physrevlett.131.133601

BibTex

@article{Chen2023-09-25Berry-68979,
  year={2023},
  doi={10.1103/physrevlett.131.133601},
  title={Berry Curvature and Bulk-Boundary Correspondence from Transport Measurement for Photonic Chern Bands},
  number={13},
  volume={131},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Chen, Chao and Liu, Run-Ze and Wu, Jizhou and Su, Zu-En and Ding, Xing and Qin, Jian and Wang, Lin and Zhang, Wei-Wei and He, Yu and Wang, Xi-Lin},
  note={Article Number: 133601}
}

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achieve two-dimensional Berry curvature reconstruction in a photonic quantum anomalous Hall system via
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identify bulk-boundary correspondence by measuring topology-linked chiral edge states at the boundary.
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