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...
45 KB (7,495 words) - 12:51, 23 May 2025
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...
10 KB (1,404 words) - 21:04, 14 April 2025
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...
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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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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...
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processes. Gamma matrices — 4 × 4 matrices in quantum field theory. Gell-Mann matrices — a generalization of the Pauli matrices; these matrices are one notable...
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Matrix (mathematics) (redirect from Applications of matrices)
analysis. Square matrices, matrices with the same number of rows and columns, play a major role in matrix theory. The determinant of a square matrix is...
127 KB (15,680 words) - 06:50, 3 July 2025
Discrete Fourier transform (section Generalizations)
Fastest Fourier Transform in the West Generalizations of Pauli matrices Least-squares spectral analysis List of Fourier-related transforms Multidimensional...
76 KB (12,338 words) - 20:01, 27 June 2025
Quantum logic gate (section Pauli gates (X,Y,Z))
of unitary matrices are also unitary matrices, and all quantum gates are unitary matrices. Positive integer exponents are equivalent to sequences of serially...
76 KB (10,349 words) - 15:14, 1 July 2025
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...
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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...
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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...
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Quaternion (redirect from Methods of quaternions)
use 2 × 2 complex matrices, and the other is to use 4 × 4 real matrices. In each case, the representation given is one of a family of linearly related...
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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...
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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...
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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 (11,443 words) - 05:48, 26 June 2025
Foldy–Wouthuysen transformation (section Correspondence between the Dirac–Pauli and Newton–Wigner representations, for a fermion at rest)
Eugene Wigner) of the Dirac equation. What 9 therefore tells us, is that by applying a FW transformation to the Dirac–Pauli representation of Dirac's equation...
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Cayley–Hamilton theorem (category CS1 maint: DOI inactive as of January 2025)
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 (11,251 words) - 08:52, 2 January 2025
{\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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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 ...
37 KB (5,449 words) - 23:56, 3 July 2025
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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}{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...
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the fundamental reopreserntation of S U ( 2 ) {\displaystyle SU(2)} (Pauli matrices) σ k ∗ = U σ k U † , {\displaystyle \sigma _{k}^{*}=U\sigma _{k}U^{\dagger...
8 KB (1,333 words) - 21:22, 12 June 2025
{\displaystyle X_{j}} and Z j {\displaystyle Z_{j}} are 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...
5 KB (1,047 words) - 05:09, 1 May 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 (3,215 words) - 12:21, 1 July 2025
_{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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as a linear combination of the Pauli matrices, which provide a basis for 2 × 2 {\displaystyle 2\times 2} self-adjoint matrices: ρ = 1 2 ( I + r x σ x +...
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proposed to replace by matrices the position and momentum variables of the equations of classical mechanics. They applied the rules of matrix mechanics to...
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Singular value decomposition (category Pages that use a deprecated format of the math tags)
{\displaystyle m\times m} matrices too. In that case, "unitary" is the same as "orthogonal". Then, interpreting both unitary matrices as well as the diagonal...
91 KB (14,592 words) - 16:06, 16 June 2025