In atomic physics, the central field approximation for many-electron atoms takes the combined electric fields of the nucleus and all the electrons acting...

wave function and energy of the system. Hartree–Fock approximation is an instance of mean-field theory, where neglecting higher-order fluctuations in...

archaeological site in Egypt Central field approximation This disambiguation page lists articles associated with the title Central Field. If an internal link led...

electric field as the gradient of the electric potential E = − ∇ V {\displaystyle \mathbf {E} =-\nabla V} . Here we make the central field approximation, that...

quantum mechanics, the Born approximation consists of taking the incident field in place of the total field as the driving field at each point in the scatterer...

from which the central limit theorem follows. The central limit theorem gives only an asymptotic distribution. As an approximation for a finite number...

near-field diffraction is an approximation of the Kirchhoff–Fresnel diffraction that can be applied to the propagation of waves in the near field. It is...

fluid dynamics, the Boussinesq approximation (pronounced [businɛsk], named for Joseph Valentin Boussinesq) is used in the field of buoyancy-driven flow (also...

field emission from bulk metals and (with suitable modification) to other bulk crystalline solids, but they are often used – as a rough approximation...

In theoretical physics, quantum field theory (QFT) is a theoretical framework that combines field theory and the principle of relativity with ideas behind...

Ghawar (Arabic: الغوار) is an oil field located in Al-Ahsa Governorate, Eastern Province, Saudi Arabia. Measuring 280 by 30 km (170 by 19 mi) (some 8...

The Fields Medal is a prize awarded to two, three, or four mathematicians under 40 years of age at the International Congress of the International Mathematical...

following approximation formulas allow one to convert between linear and angular field of view. Let A {\displaystyle A} be the angular field of view in...

including electron-electron interaction after we employ the central field approximation to the Hamiltonian of the atom. For the hyperfine structure,...

non-uniform fields Centimetre of water Central European Journal of Physics Central body Central charge Central field approximation Central force Central potential...

such as zeros or extrema. Recently, stochastic approximations have found extensive applications in the fields of statistics and machine learning, especially...

difference) between them; it is only an approximation because of boundary effects (near the edge of the planes, the electric field is distorted because the plane...

polarizable force fields or using a macroscopic dielectric constant. However, application of one value of dielectric constant is a coarse approximation in the highly...

methods or linear approximations of the Einstein tensor. A major area of research is the discovery of exact solutions to the Einstein field equations. Solving...

equations (in partial differential form) are discretized using central-difference approximations to the space and time partial derivatives. The resulting finite-difference...

about strongly correlated material the tight binding approach is basic approximation because highly localized electrons like 3-d transition metal electrons...

The model is closely related to the more conceptual empty lattice approximation. The model enables understanding and calculation of the electronic band...

belong to a normal distribution. The central limit theorem supports the idea that this is a good approximation in many cases. The Gauss–Markov theorem...

floating-point representation of an approximation of 2 127 {\textstyle {\sqrt {2^{127}}}} . This results in the first approximation of the inverse square root...

lens design). The Gaussian profile approximation provides an alternative means of comparison: using the approximation above shows that the Gaussian waist...

flow of a two-dimensional quantum field theory, and is equal to the central charge for a two-dimensional conformal field theory. This is known as the Zamolodchikov...

theory Model theory Recursion theory Modal logic Intuitionistic logic Approximation theory Computational mathematics Numerical analysis Operations research...

multifractal Markov chain approximation method Markov logic network Markov chain approximation method Markov matrix Markov random field Lempel–Ziv–Markov chain...

Gaussian Approximation for Dependent Structures: Dominique Lépingle, Zbl 1447.60003; N. C. Weber, MR3930596 "Probability Theory and Related Fields editors"...

mathematical physics, a topological quantum field theory (or topological field theory or TQFT) is a quantum field theory that computes topological invariants...