In physics, a Dirac fermion is a spin-½ particle (a fermion) which is different from its antiparticle. A vast majority of fermions fall under this category... 1 KB (166 words) - 10:59, 13 August 2023 |
In particle physics, a fermion is a particle that follows Fermi–Dirac statistics. Fermions have a half-odd-integer spin (spin 1/2, spin 3/2, etc.) and... 7 KB (850 words) - 04:02, 15 April 2024 |
Fermionic field (redirect from Dirac field) a fermionic field is a quantum field whose quanta are fermions; that is, they obey Fermi–Dirac statistics. Fermionic fields obey canonical anticommutation... 10 KB (1,599 words) - 21:12, 7 April 2024 |
Weyl equation (redirect from Weyl fermion) behave as Weyl fermions, leading to the notion of Weyl semimetals. Mathematically, any Dirac fermion can be decomposed as two Weyl fermions of opposite chirality... 28 KB (4,770 words) - 00:09, 29 November 2023 |
In particle physics, the Dirac equation is a relativistic wave equation derived by British physicist Paul Dirac in 1928. In its free form, or including... 77 KB (12,926 words) - 04:19, 16 April 2024 |
A Helical Dirac fermion is a charge carrier that behaves as a massless relativistic particle with its intrinsic spin locked to its translational momentum... 600 bytes (61 words) - 13:50, 25 June 2023 |
discretized Dirac fermions in d{\displaystyle d} Euclidean dimensions, each fermionic field results in 2d{\displaystyle 2^{d}} identical fermion species,... 24 KB (3,231 words) - 07:01, 3 December 2023 |
Among other discoveries, he formulated the Dirac equation in 1928, which describes the behaviour of fermions and predicted the existence of antimatter... 79 KB (8,845 words) - 04:33, 16 April 2024 |
parity transformation. Invariance under parity transformation by a Dirac fermion is called chiral symmetry. The helicity of a particle is positive ("right-handed")... 22 KB (3,265 words) - 09:43, 21 April 2024 |
List of particles (section Fermions) nuclei. Fermions have half-integer spin; for all known elementary fermions this is 1⁄2. All known fermions except neutrinos, are also Dirac fermions; that... 32 KB (2,983 words) - 21:04, 11 April 2024 |
spacetime Dirac equation in the algebra of physical space Nonlinear Dirac equation Two-body Dirac equations Dirac fermion Dirac field Dirac gauge Dirac hole... 2 KB (197 words) - 00:06, 31 December 2023 |
version of the Dirac–Kähler fermion. The naively discretized Dirac action in Euclidean spacetime with lattice spacing a {\displaystyle a} and Dirac fields ψ... 18 KB (2,784 words) - 23:41, 20 April 2024 |
the staggered fermion formalism in lattice field theory, making Dirac–Kähler fermions the formal continuum limit of staggered fermions. The equation was... 11 KB (1,588 words) - 15:43, 4 July 2023 |
itself was formulated for fermions, the quasi-particles present within Dirac matter can be of any statistics. As a consequence, Dirac matter can be distinguished... 40 KB (5,072 words) - 20:11, 6 December 2023 |
Fermionic condensate (redirect from Fermion condensate) A fermionic condensate (or Fermi–Dirac condensate) is a superfluid phase formed by fermionic particles at low temperatures. It is closely related to the... 9 KB (1,097 words) - 14:48, 13 December 2023 |
Sterile neutrino (redirect from Neutral fermion) Majorana fermion. In that case, it could annihilate with another neutrino, allowing neutrinoless double beta decay. The other case is that it is a Dirac fermion... 39 KB (4,429 words) - 08:12, 15 January 2024 |
In quantum field theory, the Dirac spinor is the spinor that describes all known fundamental particles that are fermions, with the possible exception... 23 KB (3,875 words) - 13:24, 17 February 2024 |
equation. For example, one-half of a charged Dirac fermion of a definite chirality is a Weyl fermion. Weyl fermions may be realized as emergent quasiparticles... 19 KB (2,076 words) - 19:59, 28 March 2024 |
Degenerate matter (redirect from Fermion degeneracy pressure) of fermions into quantum states ranked by energy is called the Fermi-Dirac distribution.: 30 Degenerate matter exhibits the results of Fermi-Dirac distribution... 24 KB (3,163 words) - 18:51, 25 March 2024 |
to the Dirac equation for spinor fields are often called harmonic spinors. Feynman's Dirac operator describes the propagation of a free fermion in three... 9 KB (1,251 words) - 20:48, 25 April 2024 |
of Dirac fermions without chiral symmetry and as such, it may or may not be massive. The Thirring model. This is a four-fermi theory of fermions with... 2 KB (181 words) - 20:19, 31 December 2023 |
Electronic properties of graphene (section Dirac fluid) is formally equivalent to the massless Dirac equation. Hence, the electrons and holes are called Dirac fermions. This pseudo-relativistic description is... 44 KB (5,073 words) - 10:45, 2 March 2024 |
Spinor (redirect from Chiral fermion) then properly be called fermions; fermions have the algebraic qualities of spinors. By general convention, the terms "fermion" and "spinor" are often... 72 KB (9,919 words) - 18:25, 4 April 2024 |