Spin (physics) — This article is about spin in quantum mechanics. For rotation in classical mechanics, see angular momentum. In quantum mechanics and particle physics, spin is a fundamental characteristic property of elementary particles, composite particles… … Wikipedia
Spin structure — In differential geometry, a spin structure on an orientable Riemannian manifold allows one to define associated spinor bundles, giving rise to the notion of a spinor in differential geometry. Spin structures have wide applications to mathematical … Wikipedia
Spin-statistics theorem — Statistical mechanics Thermodynamics · … Wikipedia
spin — spin1 [ spın ] (past tense and past participle spun [ spʌn ] ) verb ** ▸ 1 turn around quickly ▸ 2 feel confused/sick ▸ 3 present something certain way ▸ 4 go quickly by vehicle ▸ 5 make thread ▸ 6 tell story in exciting way ▸ + PHRASES 1. )… … Usage of the words and phrases in modern English
spin — I UK [spɪn] / US verb Word forms spin : present tense I/you/we/they spin he/she/it spins present participle spinning past tense spun UK [spʌn] / US past participle spun ** 1) [intransitive] to turn round and round quickly The Earth spins on its… … English dictionary
spin (someone's) drum — vb British to make an official search of someone s house, in the jargon of the police force. Drum is one s home and spin provides the play on words, referring to the spinning of a drum in a fairground lottery. In the 1990s spin this was used as… … Contemporary slang
Spin wave — Spin waves are propagating disturbances in the ordering of magnetic materials. These low lying collective excitations occur in magnetic lattices with continuous symmetry. From the equivalent quasiparticle point of view, spin waves are known as… … Wikipedia
Spin casting — or Centrifugal Rubber Mold Casting (CRMC) is a method of utilizing centrifugal force to produce castings from a rubber mold. Typically, a disc shaped mold is spun along its central axis at a set speed. The casting material, usually molten metal… … Wikipedia
Spin (public relations) — Spin doctor redirects here. For the rock band, see Spin Doctors. In public relations, spin is a form of propaganda, achieved through providing an interpretation of an event or campaign to persuade public opinion in favor or against a certain… … Wikipedia
Spin isomers of hydrogen — Spin Isomers of Molecular Hydrogen Molecular hydrogen occurs in two isomeric forms, one with its two proton spins aligned parallel (orthohydrogen), the other with its two proton spins aligned antiparallel (parahydrogen).[1] At room temperature… … Wikipedia