Stiefel-Whitney topological charges in a three-dimensional acoustic nodal-line crystal

Band topology of materials describes the extent Bloch wavefunctions are twisted in momentum space. Such descriptions rely on a set of topological invariants, generally referred to as topological charges, which form a characteristic class in the mathematical structure of fiber bundles associated with...

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Bibliographic Details
Main Authors: Xue, Haoran, Chen, Z. Y., Cheng, Zheyu, Dai, J. X., Long, Yang, Zhao, Y. X., Zhang, Baile
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10356/170087
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Institution: Nanyang Technological University
Language: English