In physics, and specifically in quantum field theory, a bispinor is a mathematical construction that is used to describe some of the fundamental particles...
28 KB (3,655 words) - 11:14, 10 January 2025
particles such as photons, and as a spinor or bispinor for other particles such as electrons. Spinors and bispinors behave similarly to vectors: they have definite...
72 KB (10,584 words) - 00:27, 25 May 2025
space of bispinors, Ux , is also assumed at every point in spacetime, endowed with the bispinor representation of the Lorentz group. The bispinor fields...
61 KB (7,303 words) - 10:39, 2 June 2025
equation, and is a certain combination of two Weyl spinors, specifically, a bispinor that transforms "spinorially" under the action of the Lorentz group. Dirac...
26 KB (4,743 words) - 23:36, 12 May 2025
numbers. (1/2, 0) ⊕ (0, 1/2) is the bispinor representation. See also Dirac spinor and Weyl spinors and bispinors below. (1, 1/2) ⊕ (1/2, 1) is the...
150 KB (19,763 words) - 06:35, 10 May 2025
{\displaystyle (i\gamma ^{\mu }\partial _{\mu }-m)\psi =0,} transforms as a bispinor, that is, under the (1/2, 0) ⊕ (0, 1/2) representation of the O(1, 3) group...
3 KB (307 words) - 02:25, 11 May 2025
functions in the Dirac theory are vectors of four complex numbers (known as bispinors), two of which resemble the Pauli wavefunction in the non-relativistic...
79 KB (13,114 words) - 00:17, 2 June 2025
{\displaystyle \gamma ^{\mu }} are Dirac matrices. ψ {\displaystyle \psi } a bispinor field of spin-1/2 particles (e.g. electron–positron field). ψ ¯ ≡ ψ † γ...
50 KB (6,656 words) - 20:47, 3 June 2025
Lorentz group, including the bispinor representation. In (T2) one simply replaces all occurrences of Λ by the bispinor representation Π(Λ), u ⊗ v → Π...
107 KB (14,859 words) - 06:26, 1 June 2025
( x , t ) {\displaystyle \psi (\mathbf {x} ,t)} is the wave function (bispinor) of a fermionic particle spin-1/2, and H is the Dirac Hamiltonian of a...
16 KB (2,174 words) - 23:10, 9 May 2025
Schrödinger equation, one must find four complex functions that make up a bispinor. The first and second functions (or components of the spinor) correspond...
28 KB (5,292 words) - 23:55, 14 May 2025
3-vector, the space on which the fundamental representation of SU(3) acts), a bispinor (Dirac 4-spinor), an nf vector, and a Grassmann variable. Thus, the composition...
15 KB (1,819 words) - 04:55, 5 May 2025
four-component object in special relativity that is not a four-vector, see bispinor. It is similarly defined, the difference being that the transformation...
47 KB (8,365 words) - 14:48, 25 February 2025
with period 8. (cf. the Clifford algebra clock.) Weyl–Brauer matrices Bispinor Clifford module It is possible and even likely that many or most of the...
25 KB (3,667 words) - 06:21, 23 May 2025
{\displaystyle \psi _{1},\psi _{2}} are two-component spinor, forming a bispinor. Using the following ansatz: ( ψ 1 ψ 2 ) = e − i m c 2 t ℏ ( ψ χ ) , {\displaystyle...
15 KB (2,331 words) - 21:55, 24 May 2025
neutrinos, and 2·3·3 = 18 for quarks). Each of these is a four component bispinor, for a total of 96 complex-valued components for the fermion field. An...
64 KB (7,736 words) - 20:27, 14 April 2025
Extensions of the Algebra of the Generators of the Poincaré Group by the Bispinor Generators», in I. E. Tamm Memorial Volume Problems of Theoretical Physics...
4 KB (404 words) - 16:15, 5 May 2025
a spinor with 4N elements, since each electron is described by a Dirac bispinor with 4 elements as in the Dirac equation, and the total wave function is...
8 KB (1,456 words) - 17:16, 28 May 2025
etc., of the Minkowski space (and also more complicated objects like bispinors and others). An example of a covariant equation is the Lorentz force equation...
4 KB (468 words) - 23:06, 3 May 2025
prediction of a particle and corresponding antiparticle. See Dirac spinor and bispinor for further description of these spinors. In the non-relativistic limit...
86 KB (10,173 words) - 02:44, 11 May 2025
particle/anti-particle states (equivalently, the chiral states in the Weyl basis). The bispinor, insofar as it has linearly independent left and right components, can...
15 KB (2,342 words) - 23:31, 7 April 2025
relativistic dispersion relation and obtained Dirac equation, described by a bispinor. This equation can be decoupled into two spinors in the non-relativistic...
9 KB (1,408 words) - 16:56, 26 May 2025
lower spinor | ψ L ⟩ {\textstyle |\psi _{L}\rangle } of the matrix Dirac bispinor | ψ ⟩ {\textstyle |\psi \rangle } to the corresponding geometric algebra...
48 KB (7,332 words) - 19:32, 1 May 2025
blocks of zero matrices. The above matrix operator contracts with one bispinor index of ψ at a time (see matrix multiplication), so some properties of...
20 KB (2,501 words) - 03:50, 27 May 2025
{\displaystyle (r,\theta ,\phi )} , Chandrasekhar showed that the four bispinor components of the wave function, [ F 1 ( r , θ ) F 2 ( r , θ ) G 1 ( r...
8 KB (1,657 words) - 05:54, 4 February 2025
space in SO+(1, 1), but this solution generalizes to any massive Dirac bispinor in SO+(1, 3). The configuration space consists of functionals Ψ [ u ] {\displaystyle...
9 KB (1,597 words) - 16:56, 26 September 2024
Oscillations Network Bismuth strontium calcium copper oxide Bispectral analysis Bispinor Bistatic Doppler shift Bistatic range Bivector Bjarne Tromborg Bjerrum...
14 KB (1,469 words) - 18:31, 5 May 2025