spontaneous current emission
1Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… …
2luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …
3Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …
4Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …
5Nuclear physics — For other uses, see Nuclear Physics (disambiguation). Nuclear physics Radioactive decay Nuclear fission Nuclear fusion …
6nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
7Nuclear isomer — A nuclear isomer is a metastable state of an atomic nucleus caused by the excitation of one or more of its nucleons (protons or neutrons). Metastable refers to the fact that these excited states have half lives more than 100 to 1000 times the… …
8Oscillateur parametrique optique — Oscillateur paramétrique optique Un Oscillateur paramétrique optique (OPO) est une source de lumière cohérente et monochromatique. À partir d une onde laser de pompe de fréquence ωp, un OPO produit deux ondes de fréquences inférieures : le… …
9Oscillateur paramétrique optique — Un oscillateur paramétrique optique (OPO) est une source de lumière cohérente et monochromatique. À partir d une onde laser de pompe de fréquence ωp, un OPO produit deux ondes de fréquences inférieures : le signal à ωs et le complémentaire à …
10Walter H. Schottky — Infobox Scientist name = Walter H. Schottky box width = image width =150px caption = Walter H. Schottky birth date = 23 July 1886 birth place = Zürich, Switzerland death date = 4 March 1976, Pretzfeld, West Germany death place = residence =… …
