Dirac cone in iron-based high Tc superconductors
M. Zahid Hasan, B. Andrei Bernevig
TL;DR
This paper discusses the emergence of Dirac fermions in the band structure of iron-based high-temperature superconductors, highlighting the observation of Dirac cone electronic dispersion in BaFe2As2 and its implications.
Contribution
It provides experimental evidence for Dirac cone dispersion in BaFe2As2, offering new insights into the electronic properties of iron-based superconductors.
Findings
Dirac fermions observed in BaFe2As2
Dirac cone dispersion confirmed in the band structure
Implications for superconductivity mechanisms
Abstract
The band structure of iron-based superconductors gives rise to yet another scenario for the appearance of Dirac fermions. A viewpoint on "Observation of Dirac cone electronic dispersion in BaFe2As2" (Richard et.al., PRL 104, 137001 (2010)).
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