Higher-Order Dirac Sonic Crystals
-
-
-
-
-
Journal:
Physical Review Letters
-
-
-
-
Abstract:
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…
-
-
-
-
Indexed by:
Journal paper
-
-
-
-
-
-
Volume:
127
-
-
Page Number:
14660
-
-
-
Translation or Not:
no
-
-
Date of Publication:
2021-09-10
-
-
Links to published journals:
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.146601