two-photon annihilation

См. также в других словарях:

• Two-photon absorption — (TPA) is the simultaneous absorption of two photons of identical or different frequencies in order to excite a molecule from one state (usually the ground state) to a higher energy electronic state. The energy difference between the involved… …   Wikipedia

• Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …   Wikipedia

• Annihilation — is defined as total destruction or complete obliteration of an object; [ [http://dictionary.reference.com/search?r=2 q=Annihilation Dictionary Definition] (2006) Dictionary.com.] having its root in the Latin nihil (nothing). A literal translation …   Wikipedia

• Electron-positron annihilation — occurs when an electron and a positron (the electron s anti particle) collide. The result of the collision is the conversion of the electron and positron and the creation of gamma ray photons or, less often, other particles. The process must… …   Wikipedia

• Antiparticle — The laws of nature are very nearly symmetrical with respect to particles and antiparticles. For example, an antiproton and a positron can form an antihydrogen atom, which has almost exactly the same properties as a hydrogen atom. A physicist… …   Wikipedia

• Hong-Ou-Mandel effect — The Hong Ou Mandel effect is a two photon interference effect in quantum optics. The effect was demonstrated experimentally by Hong, Ou, and Mandel [ [http://prola.aps.org/abstract/PRL/v59/i18/p2044 1 C. K. Hong, Z. Y. Ou, and L. Mandel, Phys.… …   Wikipedia

• Matter creation — is the process inverse to particle annihilation. It is the conversion of massless particles into one or more massive particles. This process is the time reversal of annihilation. Since all known massless particles are bosons and the most familiar …   Wikipedia

• Mass–energy equivalence — E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the …   Wikipedia

• Pair production — Light–matter interaction Low energy phenomena …   Wikipedia

• Squeezed coherent state — In physics, a squeezed coherent state is any state of the quantum mechanical Hilbert space such that the uncertainty principle is saturated. That is, the product of the corresponding two operators takes on its minimum value::Delta x Delta p =… …   Wikipedia

• List of materials analysis methods — List of materials analysis methods: Contents: Top · 0–9 · A B C D E F G H I J K L M N O P Q R S T U V W X Y Z μSR see Muon spin spectroscopy …   Wikipedia