- state perturbation
- возмущение состояния
English-russian dictionary of physics. 2013.
state perturbation
Смотреть что такое "state perturbation" в других словарях:
N-Electron Valence state Perturbation Theory — In quantum chemistry, N Electron Valence state Perturbation Theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … Wikipedia
n-electron valence state perturbation theory — In quantum chemistry, n electron valence state perturbation theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … Wikipedia
Perturbation — Per tur*ba tion, n. [L. perturbatio: cf. F. perturbation.] 1. The act of perturbing, or the state of being perturbed; esp., agitation of mind. [1913 Webster] 2. (Astron.) A disturbance in the regular elliptic or other motion of a heavenly body,… … The Collaborative International Dictionary of English
Perturbation (astronomy) — Perturbation is a term used in astronomy in connection with descriptions of the complex motion of a massive body which is subject to appreciable gravitational effects from more than one other massive body.[1] Such complex motions of a body can be … Wikipedia
Perturbation (astronomie) — Perturbation est un terme utilisé en astronomie en relation avec la description du mouvement complexe d un objet massif soumis aux effets gravitationnels significatifs de plus d un autre objet massif[1]. Un tel mouvement complexe peut être… … Wikipédia en Français
Perturbation theory (quantum mechanics) — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a … Wikipedia
Perturbation theory — This article describes perturbation theory as a general mathematical method. For perturbation theory as applied to quantum mechanics, see perturbation theory (quantum mechanics). Perturbation theory comprises mathematical methods that are used to … Wikipedia
perturbation — perturbational, adj. /perr teuhr bay sheuhn/, n. 1. the act of perturbing. 2. the state of being perturbed. 3. mental disquiet, disturbance, or agitation. 4. a cause of mental disquiet, disturbance, or agitation. 5. Astron. deviation of a… … Universalium
perturbation — noun Date: 14th century 1. the action of perturbing ; the state of being perturbed 2. a disturbance of motion, course, arrangement, or state of equilibrium; especially a disturbance of the regular and usually elliptical course of motion of a… … New Collegiate Dictionary
perturbation — noun a) Agitation; the state of being perturbed b) A small change in a physical system, or more broadly any definable system (such as a biological or economic system) … Wiktionary
perturbation — I (New American Roget s College Thesaurus) n. disturbance; disquiet, uneasiness, discomposure, apprehension, worry; trepidation, restlessness. See agitation, excitement, fear. II (Roget s IV) n. Syn. distress, disturbance, anxiety; see confusion… … English dictionary for students
