Here, a few classes of such matrices are summarized. This method of generalizing the Pauli matrices refers to a generalization from a single 2-level system...
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In mathematical physics and mathematics, the Pauli matrices are a set of three 2 × 2 complex matrices that are traceless, Hermitian, involutory and unitary...
44 KB (7,355 words) - 11:05, 25 October 2024
Gell-Mann matrices, developed by Murray Gell-Mann, are a set of eight linearly independent 3×3 traceless Hermitian matrices used in the study of the strong...
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Spin matrix (redirect from Spin matrices)
number of matrices, which are related to Spin (physics). Pauli matrices, also called the "Pauli spin matrices". Generalizations of Pauli matrices Gamma...
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Discrete Fourier transform (section Generalizations)
matrix Fast Fourier transform FFTPACK FFTW Generalizations of Pauli matrices Least-squares spectral analysis List of Fourier-related transforms Multidimensional...
72 KB (11,265 words) - 09:54, 3 November 2024
special unitary group of degree n, denoted SU(n), is the Lie group of n × n unitary matrices with determinant 1. The matrices of the more general unitary...
34 KB (5,711 words) - 08:07, 3 October 2024
Qutrit (category Units of information)
capable of expressing any single-qutrit gate in U(3), as a series circuit of at most 9 gates. Gell-Mann matrices Generalizations of Pauli matrices Mutually...
11 KB (1,452 words) - 04:45, 31 July 2024
Hermitian matrix (redirect from Hermitian matrices)
families of Hermitian matrices include the Pauli matrices, the Gell-Mann matrices and their generalizations. In theoretical physics such Hermitian matrices are...
20 KB (3,013 words) - 18:34, 4 August 2024
Matrix (mathematics) (redirect from Applications of matrices)
as such. Square matrices, matrices with the same number of rows and columns, play a major role in matrix theory. Square matrices of a given dimension...
108 KB (13,450 words) - 23:25, 25 October 2024
processes. Gamma matrices — 4 × 4 matrices in quantum field theory. Gell-Mann matrices — a generalization of the Pauli matrices; these matrices are one notable...
32 KB (1,336 words) - 16:53, 5 November 2024
Trace (linear algebra) (redirect from Trace of a matrix)
definition of Pauli matrices. The trace of a matrix is the sum of its eigenvalues (counted with multiplicities). Also, tr(AB) = tr(BA) for any matrices A and...
37 KB (5,493 words) - 10:51, 23 October 2024
Two-body Dirac equation Generalizations of Pauli matrices Wigner D-matrix Weyl–Brauer matrices Higher-dimensional gamma matrices Joos–Weinberg equation...
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Generalized Clifford algebra (redirect from Clock and shift matrices)
e1, e2, e3 may be determined accordingly. Clifford algebra Generalizations of Pauli matrices DFT matrix Circulant matrix Weyl, H. (1927). "Quantenmechanik...
13 KB (1,695 words) - 01:51, 10 October 2024
Dirac equation (section Pauli theory)
These matrices and the form of the wave function have a deep mathematical significance. The algebraic structure represented by the gamma matrices had been...
78 KB (13,035 words) - 14:51, 5 November 2024
Spin (physics) (section Pauli matrices)
mechanics of multiparticle systems, the general Pauli group Gn is defined to consist of all n-fold tensor products of Pauli matrices. The analog formula of Euler's...
72 KB (10,640 words) - 20:28, 3 November 2024
Quantum logic gate (section Pauli gates (X,Y,Z))
the three Pauli matrices ( σ x , σ y , σ z ) {\displaystyle (\sigma _{x},\sigma _{y},\sigma _{z})} and act on a single qubit. The Pauli X, Y and Z equate...
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Density matrix (redirect from Density matrices)
combination of the Pauli matrices, which together with the identity matrix provide a basis for 2 × 2 {\displaystyle 2\times 2} self-adjoint matrices:: 126 ...
36 KB (5,274 words) - 05:37, 27 October 2024
Cayley–Hamilton theorem (category Pages that use a deprecated format of the math tags)
stated the result for 3 × 3 and smaller matrices, but only published a proof for the 2 × 2 case. As for n × n matrices, Cayley stated “..., I have not thought...
65 KB (11,228 words) - 01:45, 3 October 2024
3D rotation group (redirect from Set of 3D rotations)
For uniform normalization of the generators in the Lie algebra involved, express the Pauli matrices in terms of t-matrices, σ → 2i t, so that a ′ ↦ −...
65 KB (11,405 words) - 23:22, 29 October 2024
Dual number (redirect from Ring of dual numbers)
matrix whose square is the zero matrix; that is, in the case of 2×2 matrices, any nonzero matrix of the form ( a b c − a ) {\displaystyle...
19 KB (2,757 words) - 05:50, 27 October 2024
Exchange interaction (redirect from Pauli repulsion)
constraint on the states of indistinguishable particles. While sometimes called an exchange force, or, in the case of fermions, Pauli repulsion, its consequences...
26 KB (3,444 words) - 09:06, 20 October 2024
{\displaystyle Z_{j}} are N × N {\displaystyle N\times N} generalisations of the Pauli matrices satisfying Z j X k = e 2 π i N δ j , k X k Z j {\displaystyle Z_{j}X_{k}=e^{{\frac...
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Matrix exponential (redirect from Exponential of a matrix)
square matrices analogous to the ordinary exponential function. It is used to solve systems of linear differential equations. In the theory of Lie groups...
55 KB (10,413 words) - 06:58, 3 November 2024
Quaternion (redirect from Methods of quaternions)
quaternions (in the form of the famous Pauli spin matrices) furthered their interest; quaternions helped to understand how rotations of electrons by 360° can...
96 KB (12,689 words) - 12:38, 27 October 2024
}{4}}}Z} and { I , X , Y , Z } {\displaystyle \{I,X,Y,Z\}} are the Pauli matrices. The trace preserving condition is satisfied by the fact that ∑ i K...
8 KB (1,324 words) - 18:56, 26 August 2024
Hypercomplex number (category History of mathematics)
real matrices were found isomorphic to coquaternions. Soon the matrix paradigm began to explain several others as they were represented by matrices and...
27 KB (3,216 words) - 14:48, 11 October 2024
Positive-real function (category Types of functions)
function, the number of poles and number of zeroes differ by at most one. A couple of generalizations are sometimes made, with intention of characterizing the...
7 KB (1,012 words) - 09:07, 14 June 2022
_{y}\partial _{y},} where σi are the Pauli matrices. Note that the anticommutation relations for the Pauli matrices make the proof of the above defining property...
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Foldy–Wouthuysen transformation (section Correspondence between the Dirac–Pauli and Newton–Wigner representations, for a fermion at rest)
the unit vector oriented in the direction of the fermion momentum. The above are related to the Dirac matrices by β = γ0 and αi = γ0γi, with i = 1, 2, 3...
27 KB (3,113 words) - 21:29, 15 August 2024
Schrödinger equation (category Functions of space and time)
Dirac by taking the so-called square-root of the Klein-Gordon operator and in turn introducing Dirac matrices. In a modern context, the Klein-Gordon equation...
74 KB (10,234 words) - 02:11, 7 October 2024