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The spin-dependence of Andreev reflection gives rise to the Point contact Andreev reflection technique, whereby a narrow superconducting tip (often niobium, antimony or lead) is placed into contact with a normal material at temperatures below the critical temperature of the tip. By applying a voltage to the tip, and measuring differential ...
Alexander Fyodorovich Andreev (Russian: Александр Фёдорович Андреев, 10 December 1939 – 14 March 2023) [1] was a Russian theoretical physicist best known for explaining the eponymous Andreev reflection. [2] Andreev was educated at the Moscow Institute of Physics and Technology, starting in 1959 and graduating ahead of ...
Kade Poki (born 1988), New Zealand rugby union player; Poki language, a West Chadic language of Bauchi State, Nigeria; Poki Ng (born 1991), Hong Kong singer in the boy band Error; Pokimane (born 1996), Moroccan-Canadian internet personality; Poki, a computer poker player developed at the University of Alberta; Poki.com, a video game website ...
Diagram of Andreev reflection. An electron meeting the interface between a normal conductor and a superconductor produces a Cooper pair in the superconductor and a retroreflected electron hole in the normal conductor. Legend: "N" = normal conductor, "S" = superconductor, red = electron, green = hole. Arrows indicate the spin band occupied by ...
Portal is a series of first-person puzzle-platform video games developed by Valve.Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS, that controls the facility.
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Spindizzy is an isometric video game released for several 8-bit home computers in 1986 by Electric Dreams Software.It combines action and puzzle video game elements. Players must navigate a series of screens to explore a landscape suspended in a three-dimensional space.
ClockWerx is a puzzle video game created by Callisto Corporation that was released in 1995. The game was originally released by Callisto under the name Spin Doctor.Later, with some gameplay enhancements, it was published by Spectrum HoloByte as Clockwerx, which was endorsed by Alexey Pajitnov according to the manual. [1]