- one-loop diagram
- однопетлевая диаграмма
English-russian dictionary of physics. 2013.
one-loop diagram
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One-loop Feynman diagram — In physics, a one loop Feynman diagram is a connected Feynman diagram with only one cycle (unicyclic). Such a diagram can be obtained from a connected tree diagram by taking two external lines of the same type and joining them together into an… … Wikipedia
Causal loop diagram — A causal loop diagram(CLD) is a diagram that aids in visualizing how interrelated variables affect one another. The diagram consists of a set of nodes representing the variables connected together. The relationships between these variables,… … Wikipedia
Loop quantum gravity — Not to be confused with the path integral formulation of LQG, see spin foam. This article is about LQG in its Canonical formulation.. Beyond the Standard Model … Wikipedia
Loop of Henle — Scheme of renal tubule and its vascular supply. (Loop of Henle visible center left.) Latin ansa nephroni Gray s … Wikipedia
Loop integral — In quantum field theory and statistical mechanics, loop integrals are the integrals which appear when evaluating the Feynman diagrams with one or more loops by integrating over the internal momenta.There are two standard techniques for evaluating … Wikipedia
one-hundred-and-eighty-degree ambiguity — An error in some radio direction finders in which equipment cannot discern whether a signal is being received from ahead of or behind the aircraft. Automatic direction finders do not have this problem. Beacon’s position can be either at A or B.… … Aviation dictionary
Feynman 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… … Wikipedia
Control-Feedback-Abort Loop — Too often systems fail, sometimes leading to significant loss of life, fortunes and confidence in the provider of a product or service. It was determined that a simple and useful tool was needed to help in the analysis of interactions of groups… … Wikipedia
Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… … Wikipedia
Warnier/Orr diagram — A Warnier/Orr diagram (also known as a logical construction of a program/system) is a kind of hierarchical flowchart that allow the description of the organization of data and procedures. They were initially developed in France by Jean Dominique… … Wikipedia
Dynkin diagram — See also: Coxeter–Dynkin diagram Finite Dynkin diagrams Affine (extended) Dynkin diagrams … Wikipedia
