• Thumbnail for Fermion
    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
  • Thumbnail for Majorana fermion
    A Majorana fermion (/maɪəˈrɑːnə/), also referred to as a Majorana particle, is a fermion that is its own antiparticle. They were hypothesised by Ettore...
    42 KB (4,879 words) - 18:31, 28 February 2024
  • 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
  • Thumbnail for Fermi gas
    Fermi gas (redirect from Fermion gas)
    Fermi gas is an idealized model, an ensemble of many non-interacting fermions. Fermions are particles that obey Fermi–Dirac statistics, like electrons, protons...
    33 KB (5,612 words) - 11:24, 22 March 2024
  • Thumbnail for Spinor
    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) - 18:05, 30 April 2024
  • Thumbnail for Fermionic condensate
    not fermions. It is far more difficult to produce a fermionic superfluid than a bosonic one, because the Pauli exclusion principle prohibits fermions from...
    9 KB (1,097 words) - 14:48, 13 December 2023
  • usually modelled as an ideal Fermi gas, an ensemble of non-interacting fermions. In a quantum mechanical description, particles limited to a finite volume...
    24 KB (3,164 words) - 16:00, 26 April 2024
  • In lattice field theory, fermion doubling occurs when naively putting fermionic fields on a lattice, resulting in more fermionic states than expected...
    24 KB (3,405 words) - 07:01, 3 December 2023
  • A composite fermion is the topological bound state of an electron and an even number of quantized vortices, sometimes visually pictured as the bound state...
    25 KB (3,405 words) - 15:15, 26 December 2022
  • Thumbnail for Weyl equation
    Weyl equation (redirect from Weyl fermion)
    called Weyl fermions. The equation is named after Hermann Weyl. The Weyl fermions are one of the three possible types of elementary fermions, the other...
    28 KB (4,770 words) - 00:09, 29 November 2023
  • quantum field theory, a fermionic field is a quantum field whose quanta are fermions; that is, they obey Fermi–Dirac statistics. Fermionic fields obey canonical...
    10 KB (1,696 words) - 21:12, 7 April 2024
  • Thumbnail for Boson
    other being fermions, which have odd half-integer spin (1⁄2, 3⁄2, 5⁄2, ...). Every observed subatomic particle is either a boson or a fermion. Some bosons...
    10 KB (1,061 words) - 20:09, 10 February 2024
  • In quantum field theory, fermions are described by anticommuting spinor fields. A four-fermion interaction describes a local interaction between four...
    2 KB (181 words) - 20:19, 31 December 2023
  • Heavy fermion superconductors are a type of unconventional superconductor. The first heavy fermion superconductor, CeCu2Si2, was discovered by Frank Steglich...
    8 KB (735 words) - 10:53, 14 August 2023
  • Thumbnail for Causal fermion systems
    The theory of causal fermion systems is an approach to describe fundamental physics. It provides a unification of the weak, the strong and the electromagnetic...
    32 KB (5,050 words) - 04:24, 12 February 2024
  • Thumbnail for Second quantization
    identical fermions can not occupy the same state simultaneously. Nevertheless, the fermion can be removed from the occupied state by the fermion annihilation...
    34 KB (6,453 words) - 08:38, 19 June 2023
  • theory, staggered fermions (also known as Kogut–Susskind fermions) are a fermion discretization that reduces the number of fermion doublers from sixteen...
    18 KB (2,784 words) - 23:41, 20 April 2024
  • Thumbnail for Weak interaction
    but not necessarily, half-integer spin fermions) exchange integer-spin, force-carrying bosons. The fermions involved in such exchanges can be either...
    42 KB (4,611 words) - 17:39, 6 April 2024
  • perhaps be Weyl fermions, but when they were discovered to have mass, that left no fundamental particles of the Weyl type. The Weyl fermions discovered in...
    5 KB (559 words) - 19:44, 10 February 2024
  • Thumbnail for Pauli exclusion principle
    states that two or more identical particles with half-integer spins (i.e. fermions) cannot simultaneously occupy the same quantum state within a system that...
    25 KB (3,449 words) - 09:07, 6 April 2024
  • Thumbnail for Standard Model
    particles of spin 1⁄2, known as fermions. Fermions respect the Pauli exclusion principle, meaning that two identical fermions cannot simultaneously occupy...
    62 KB (7,169 words) - 14:34, 16 March 2024
  • In materials science, heavy fermion materials are a specific type of intermetallic compound, containing elements with 4f or 5f electrons in unfilled electron...
    17 KB (2,193 words) - 09:43, 3 May 2024
  • 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...
    19 KB (2,076 words) - 19:59, 28 March 2024
  • Thumbnail for Picometre
    themselves), such as hadrons and the upper limits of possible size for fermion point particles. The Laser Interferometer Space Antenna (LISA) probe is...
    3 KB (284 words) - 18:17, 12 March 2024
  • In lattice field theory, Wilson fermions are a fermion discretization that allows to avoid the fermion doubling problem proposed by Kenneth Wilson in 1974...
    4 KB (539 words) - 10:41, 23 November 2023
  • Thumbnail for Mathematical formulation of the Standard Model
    fields, which are more fundamental than the particles. These fields are the fermion fields, ψ, which account for "matter particles"; the electroweak boson...
    63 KB (7,711 words) - 14:35, 29 April 2024
  • Thumbnail for Grand Unified Theory
    (Minimal) SO(10) does not contain any exotic fermions (i.e. additional fermions besides the Standard Model fermions and the right-handed neutrino), and it unifies...
    35 KB (4,567 words) - 12:13, 14 April 2024
  • 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
  • Thumbnail for Elementary particle
    distinct particles—twelve fermions and five bosons. As a consequence of flavor and color combinations and Dark matter, the fermions and bosons are known to...
    35 KB (3,432 words) - 09:05, 6 May 2024
  • lepton fields (i.e., the fundamental fermion particles). Through spontaneous symmetry breaking, these fermions acquire a mass proportional to the vacuum...
    11 KB (1,728 words) - 00:44, 7 September 2023