Ideal Hopf-link mode in phonon material Ba2OsH6

Ideal Hopf-link mode in phonon material Ba2OsH6

Phonon systems have emerged as potential platforms for exploring nontrivial band topologies. Meanwhile, two (or more) closed nodal lines (CNLs) may nest with each other and form a Hopf-link mode in momentum space. However, nontrivial Hopf-link modes in phonon systems have yet to be reported in reali...

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Bibliographic Details
Main Authors: Jianhua Wang, Weizhen Meng, Wenhong Wang, Zhenxiang Cheng, Shifeng Qian, Xiaotian Wang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:JPhys Materials
Subjects:
Hopf-link
topological phonons
first-principles calculations
Online Access:https://doi.org/10.1088/2515-7639/adc3cc
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