Dirac electrons were predicted by P. Dirac and discovered by A. Geim, both of whom were awarded the Nobel Prize in Physics in 1933 and in 2010, respectively. Dirac electrons behave like photons rather than electrons, for they are considered to have no mass, and in materials they move with light velocity.
Photon-like electrons in a four-dimensional world discovered in a real material retrieved 15 March 2024 from https://phys.org/news/2024-03-photon-electrons-dimensional-world-real.html
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