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Revision as of 16:36, 12 December 2024 by The Anome (talk | contribs) (topological semi-metal)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Semi-Dirac fermions are a class of quasiparticles that are fermions with the unusual property that their mass changes dependent on their direction of motion. They have been predicted to exist for some time.
Their first observation in a solid was in the topological semi-metal ZrSiS, and was published in 2024.
See also
References
- "Particle that only has mass when moving in one direction observed for first time | Penn State University". www.psu.edu. Retrieved 2024-12-12.
- Uryszek, Mikolaj D.; Christou, Elliot; Jaefari, Akbar; Krüger, Frank; Uchoa, Bruno (2019-10-01). "Quantum criticality of semi-Dirac fermions in 2 + 1 dimensions". Physical Review B. 100 (15). doi:10.1103/PhysRevB.100.155101. ISSN 2469-9950.
- Mohanta, Narayan; Ok, Jong Mok; Zhang, Jie; Miao, Hu; Dagotto, Elbio; Lee, Ho Nyung; Okamoto, Satoshi (2021-12-10). "Semi-Dirac and Weyl fermions in transition metal oxides". Physical Review B. 104 (23). doi:10.1103/PhysRevB.104.235121. ISSN 2469-9950.
- Shao, Yinming (2024). "Semi-Dirac Fermions in a Topological Metal". Physical Review X. 14 (4). doi:10.1103/PhysRevX.14.041057.
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