Weyl fermion

noun

A massless quasiparticle and fermion, which carries electric charge, and cannot move backwards, that may exist in Weyl semimetals, where an electron can be split into two Weyl fermions which move in opposite directions, which can form an electron by combining two Weyl fermions.

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Meanings

nounWeyl fermion (plural Weyl fermions)

plural Weyl fermions

  1. quantum mechanicsbusinessA massless quasiparticle and fermion, which carries electric charge, and cannot move backwards, that may exist in Weyl semimetals, where an electron can be split into two Weyl fermions which move in opposite directions, which can form an electron by combining two Weyl fermions.

Origin

After Hermann Weyl, the person who proposed this fermion.

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Cite this entry
APA

Weyl fermion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Weyl%20fermion

MLA

“Weyl fermion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Weyl%20fermion. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Weyl fermion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Weyl%20fermion.

Source: Weyl fermion on Wiktionary, CC BY-SA 4.0.