Frontiers of Physics

, 14:43603 | Cite as

Effective models for nearly ideal Dirac semimetals

  • Feng Tang
  • Xiangang WanEmail author
Research Article
Part of the following topical collections:
  1. Special Topic: Recent Advances in Topological Materials


Topological materials (TMs) have gained intensive attention due to their novel behaviors compared with topologically trivial materials. Among various TMs, Dirac semimetal (DSM) has been studied extensively. Although several DSMs have been proposed and verified experimentally, the suitable DSM for realistic applications is still lacking. Thus finding ideal DSMs and providing detailed analyses to them are of both fundamental and technological importance. Here, we sort out 8 (nearly) ideal DSMs from thousands of topological semimetals in Nature 566(7745), 486 (2019). We show the concrete positions of the Dirac points in the Brillouin zone for these materials and clarify the symmetry-protection mechanism for these Dirac points as well as their low-energy effective models. Our results provide a useful starting point for future study such as topological phase transition under strain and transport study based on these effective models. These DSMs with high mobilities are expected to be applied in fabrication of functional electronic devices.


Dirac semimetal symmetry effective model 



This work was supported by the National Natural Science Foundation of China (Nos. 11525417, 11834006, 51721001, and 11790311) and the National Key R&D Program of China (Nos. 2018YFA0305704 and 2017YFA0303203).


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.National Laboratory of Solid State Microstructures and School of PhysicsNanjing UniversityNanjingChina
  2. 2.Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjingChina

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