density of electrons

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• Density functional theory — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation theory …   Wikipedia

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• Electron density — is the measure of the probability of an electron being present at a specific location. In molecules, regions of electron density are usually found around the atom, and its bonds. In de localized or conjugated systems, such as phenol, benzene and… …   Wikipedia

• Local-density approximation — The local density approximation (LDA) is an approximation of the exchange correlation (XC) energy functional in density functional theory (DFT) by taking the XC energy of an electron in a homogeneous electron gas of a density equal to the density …   Wikipedia

• Charge density — The linear, surface, or volume charge density is the amount of electric charge in a line, surface, or volume, respectively. It is measured in coulombs per meter (C/m), square meter (C/m²), or cubic meter (C/m³), respectively, and represented by… …   Wikipedia

• Electronic density — In quantum mechanics, and in particular quantum chemistry, the electronic density is a probabilistic measure of the number of electrons occupying a given element of space. It is a scalar quantity depending upon three spatial variables and is… …   Wikipedia

• Nuclear density gauge — A nuclear density gauge is a tool used in civil construction and the petroleum industry, as well as for mining and archaeology purposes. It consists of a radiation source that emits a directed beam of particles and a sensor that counts the… …   Wikipedia

• critical density of conduction electrons — kritinis laidumo elektronų tankis statusas T sritis fizika atitikmenys: angl. critical concentration of conduction electrons; critical density of conduction electrons; critical electron density vok. Elektronenzünddichte, f; kritische… …   Fizikos terminų žodynas

• critical electron density — kritinis laidumo elektronų tankis statusas T sritis fizika atitikmenys: angl. critical concentration of conduction electrons; critical density of conduction electrons; critical electron density vok. Elektronenzünddichte, f; kritische… …   Fizikos terminų žodynas

• critical concentration of conduction electrons — kritinis laidumo elektronų tankis statusas T sritis fizika atitikmenys: angl. critical concentration of conduction electrons; critical density of conduction electrons; critical electron density vok. Elektronenzünddichte, f; kritische… …   Fizikos terminų žodynas