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In mathematics the spin group, denoted Spin(n), [1] [2] is a Lie group whose underlying manifold is the double cover of the special orthogonal group SO(n) = SO(n, R), such that there exists a short exact sequence of Lie groups (when n ≠ 2)
Spintronics emerged from discoveries in the 1980s concerning spin-dependent electron transport phenomena in solid-state devices. This includes the observation of spin-polarized electron injection from a ferromagnetic metal to a normal metal by Johnson and Silsbee (1985) [5] and the discovery of giant magnetoresistance independently by Albert Fert et al. [6] and Peter Grünberg et al. (1988). [7]
A spin model is a mathematical model used in physics primarily to explain magnetism. Spin models may either be classical or quantum mechanical in nature. Spin models have been studied in quantum field theory as examples of integrable models. Spin models are also used in quantum information theory and computability theory in theoretical computer ...
Spin (French: Les Hommes de l'ombre - literally The Shadow Men) is a French political television drama series created by Dan Franck, Frederic Tellier, Charline de Lépine and Emmanuel Daucé, and broadcast from 25 January 2012 on France 2.
Gatekeeping as a news process was identified in the literature as early as 1922, [dubious – discuss] though not yet given a formal theoretical name. In his book 'The Immigrant Press', Robert Park explains the process, "out of all of the events that happen and are recorded every day by correspondents, reporters, and the news agencies, the editor chooses certain items for publication which he ...
The backward spin, which is executed on the back outside edge, is entered into by the forward inside edge and 3 turn; the equivalent movement in ballet is the pirouette en dehors. [25] There are three basic spin positions: the upright spin, the sit spin, and the camel spin. [23] [26] [a]
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 January 2025. Multi-spool spinning frame Model of spinning jenny in the Museum of Early Industrialisation, Wuppertal, Germany. The spinning jenny is a multi- spindle spinning frame, and was one of the key developments in the industrialisation of textile manufacturing during the early Industrial ...
The different stages of the method are lyse, bind, wash, and elute. [1] [2] More specifically, this entails the lysis of target cells to release nucleic acids, selective binding of nucleic acid to a silica membrane, washing away particulates and inhibitors that are not bound to the silica membrane, and elution of the nucleic acid, with the end result being purified nucleic acid in an aqueous ...