Weyl semimetal
Concept in quantum physics / From Wikipedia, the free encyclopedia
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Weyl semimetals are semimetals or metals whose quasiparticle excitation is the Weyl fermion, a particle that played a crucial role in quantum field theory but has not been observed as a fundamental particle in vacuum.[1] In these materials, electrons have a linear dispersion relation, making them a solid-state analogue of relativistic massless particles.[2]