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Higher-Order Dirac Sonic Crystals
- 发表刊物：Physical Review Letters
- 摘要：Discovering new topological phases of matter is a major theme in fundamental physics and materials science. Dirac semimetal provides an exceptional platform for exploring topological phase transitions under symmetry breaking. Recent theoretical studies have revealed that a three-dimensional Dirac semimetal can harbor fascinating hinge states, a higher-order topological manifestation not known before. However, its realization in experiment is yet to be achieved. In this Letter, we propose a minimum model to construct a spinless higher-order Dirac semimetal protected by…
- 论文类型：期刊论文
- 卷号：127
- 页面范围：14660
- 是否译文：否
- 发表时间：2021-09-10
- 发布期刊链接：https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.146601
