equation called the Proca equation. The Proca action and equation are named after Romanian physicist Alexandru Proca. The Proca equation is involved...
4 KB (736 words) - 23:37, 5 February 2024
Alexandru Proca (16 October 1897 – 13 December 1955) was a Romanian physicist who studied and worked in France. He developed the vector meson theory of...
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introduced by Bryce DeWitt in 1963 and independently by Giovanni Jona-Lasinio in 1964. The article describes the effective action for a single scalar...
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nonlinear σ-model. Gauge-fixing ϕ = 0 {\displaystyle \phi =0} , yields the Proca action. This explains why, unlike the case for non-abelian vector fields, quantum...
5 KB (690 words) - 21:52, 19 May 2023
Lattice gauge theory (section Yang–Mills action)
action remains unchanged. There are many possible Wilson actions, depending on which Wilson loops are used in the action. The simplest Wilson action uses...
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cyclic integral of action. In the second part of his 1924 thesis, de Broglie used the equivalence of the mechanical principle of least action with Fermat's...
35 KB (3,956 words) - 19:48, 4 October 2024
Second quantization (category CS1 German-language sources (de))
The boson creation (annihilation) operator is a linear operator, whose action on a N-particle first-quantized wave function Ψ {\displaystyle \Psi } is...
34 KB (6,449 words) - 04:20, 22 August 2024
}-m)\Psi } is integrated against the volume form to obtain the Dirac action Dirac action on curved spacetime I Dirac = ∫ M d 4 x − g Ψ ¯ ( i γ μ D μ − m )...
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Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
7 KB (1,114 words) - 01:30, 26 July 2024
Yang–Mills theory (redirect from Yang-Mills action)
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
28 KB (4,217 words) - 05:47, 2 September 2024
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
2 KB (227 words) - 03:27, 12 August 2024
Källén–Lehmann spectral representation (category CS1 German-language sources (de))
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
5 KB (878 words) - 06:56, 14 June 2024
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
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Wheeler–DeWitt equation for theoretical physics and applied mathematics, is a field equation attributed to John Archibald Wheeler and Bryce DeWitt. The...
11 KB (1,668 words) - 23:54, 7 September 2024
informally sketched as follows. The Weyl equation is invariant under the action of the Lorentz group. This means that, as boosts and rotations are applied...
28 KB (4,772 words) - 20:55, 20 June 2024
; Petermann, A. (1953). "La renormalisation des constants dans la théorie de quanta". Helv. Phys. Acta (in French). 26: 499–520. Srednicki, Mark Allen...
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Lorentz transformation, the last column reserved for translations and the action effected on elements p {\displaystyle p} (column vectors) of momentum space...
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Gauge theory (redirect from Gauge group action)
based on the action of the (non-abelian) SU(2) symmetry group on the isospin doublet of protons and neutrons. This is similar to the action of the U(1)...
47 KB (6,760 words) - 18:04, 26 August 2024
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
5 KB (620 words) - 04:48, 31 March 2023
its antisymmetric part, the torsion tensor, as a variable in varying the action. In the resulting field equations, the torsion tensor is a homogeneous,...
11 KB (1,520 words) - 20:40, 27 August 2024
Noether's theorem (category CS1 German-language sources (de))
tensor in Maxwell, Yang–Mills, and Proca theories obtained using only Noether's theorem" (PDF). Revista Mexicana de Física. 52 (1): 29–36. arXiv:hep-th/0602190...
66 KB (10,947 words) - 17:29, 20 September 2024
-dimensional field theory with a real scalar field ϕ {\displaystyle \phi } and action S [ ϕ ] {\displaystyle S[\phi ]} , the partition function is defined in...
10 KB (1,664 words) - 20:34, 6 February 2024
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
9 KB (1,199 words) - 15:24, 4 February 2024
Hideki Yukawa (category CS1 German-language sources (de))
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
14 KB (1,292 words) - 22:27, 17 September 2024
ground state of the free theory and S [ ϕ ] {\displaystyle S[\phi ]} is the action. Expanding e i S [ ϕ ] {\displaystyle e^{iS[\phi ]}} using its Taylor series...
10 KB (1,715 words) - 17:19, 23 April 2024
calculating the action, using field configurations which are chosen according to the distribution function, which depends on the action and the fields...
14 KB (1,688 words) - 13:27, 18 June 2024
background field method is a useful procedure to calculate the effective action of a quantum field theory by expanding a quantum field around a classical...
4 KB (763 words) - 23:06, 21 September 2023
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
31 KB (4,387 words) - 16:57, 4 September 2024
abelian case. The full gauge fixed action is then the Yang Mills action in Feynman gauge with an additional ghost action: S = ∫ Tr ∂ μ A ν ∂ μ A ν + f...
93 KB (16,017 words) - 21:20, 21 September 2024
Wightman Axioms Equations Dirac equation Klein–Gordon equation Proca equations Wheeler–DeWitt equation Bargmann–Wigner equations Schwinger-Dyson equation...
3 KB (461 words) - 21:29, 13 December 2022