coupling term
111Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
112Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …
113Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …
114Polythiophene — The monomer repeat unit of unsubstituted polythiophene …
115Grand unification theory — articleissues article=y refimprove=June 2006 expert=Physics tone=August 2008 update=March 2008Grand Unification, grand unified theory, or GUT refers to any of several very similar unified field theories or models in physics that predicts that at… …
116Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
117Infrared fixed point — In physics, an infrared fixed point is a set ofcoupling constants, or other parameters that evolve from initial values at very high energies (short distance), to fixed stable values,usually predictable, at low energies (large distance). This… …
118MVS — For other uses, see MVS (disambiguation). History of IBM mainframe operating systems On early mainframe computers: GM OS GM NAA I/O 1955 BESYS 1957 UMES 1958 SOS 1959 IBSYS 1960 CTSS 1961 On S/360 and successors: BOS/360 1965 TOS/360 1965 …
119Metabolism — Cell metabolism redirects here. For the journal, see Cell Metabolism. Structure of adenosine triphosphate, a central intermediate in energy metabolism Metabolism (from Greek: μεταβολή metabolē , change or Greek: μεταβολισμός metabolismos,… …
120Homosexual behavior in animals — For homosexuality in humans, see homosexuality. Homosexual behavior in animals refers to the documented evidence of homosexual and bisexual behavior in non human species. Such behaviors include sex, courtship, affection, pair bonding, and… …
