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== See also == == See also ==

* ] * ]


== External Links ==
* Yinming Shao ''et al.'': ''Semi-Dirac Fermions in a Topological Metal.'' In: ''Physical Review X''. Vol. 14, No. 041057, 5 December, 2024. ].
** David Nield: . ScienceAlert, 14 December 2024.


== References == == References ==

Revision as of 16:04, 15 December 2024

Class of fermionic quasiparticles

In condensed matter physics, semi-Dirac fermions are a class of quasiparticles that are fermionic with the unusual property that their energy dispersion relation changes from quadratic to linear dependent on their direction of motion. Their theoretical properties have been studied for some time.

Their first observation in a solid was in zirconium silicon sulfide (ZrSiS), a topological semi-metal, and was published in 2024.

See also


External Links

References

  1. "Particle that only has mass when moving in one direction observed for first time | Penn State University". www.psu.edu. Retrieved 2024-12-12.
  2. 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): 155101. arXiv:1907.11810. Bibcode:2019PhRvB.100o5101U. doi:10.1103/PhysRevB.100.155101. ISSN 2469-9950.
  3. 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): 235121. arXiv:2106.07793. Bibcode:2021PhRvB.104w5121M. doi:10.1103/PhysRevB.104.235121. ISSN 2469-9950.
  4. Shao, Yinming (2024). "Semi-Dirac Fermions in a Topological Metal". Physical Review X. 14 (4): 041057. arXiv:2311.03735. doi:10.1103/PhysRevX.14.041057.


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