selection rule

selection rule
Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions

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  • selection rule — Physics. any of several rules designating allowed transitions between quantum states in terms of the quantum numbers associated with the states. * * * ▪ atomic physics       in quantum mechanics, any of a set of restrictions governing the… …   Universalium

  • Selection rule — In physics and chemistry, especially in the context of quantum mechanics, a selection rule is a condition constraining the physical properties of the initial system and the final system that is necessary for a process to occur with a nonzero… …   Wikipedia

  • selection rule — atrankos taisyklė statusas T sritis fizika atitikmenys: angl. selection rule vok. Auswahlregel, f rus. правило отбора, n pranc. loi de sélection, f; règle de sélection, f …   Fizikos terminų žodynas

  • selection rule — atrankos taisyklė statusas T sritis Standartizacija ir metrologija apibrėžtis Taisyklė, nusakanti kvantinių vyksmų tikimybę. atitikmenys: angl. selection rule vok. Auswahlregel, f rus. правило отбора, n pranc. règle de sélection, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • selection rule — atrankos taisyklė statusas T sritis chemija apibrėžtis Taisyklė, nusakanti kvantinių procesų tikimybę. atitikmenys: angl. selection rule rus. правило отбора …   Chemijos terminų aiškinamasis žodynas

  • selection rule — noun Physics a rule which describes whether particular quantum transitions in an atom or molecule are allowed or forbidden …   English new terms dictionary

  • selection rule — noun : a rule that states which of all the conceivable changes in the state of a quantized system (atoms, nuclei, or related entities) are physically possible under specified circumstances usually in terms of the possible numerical changes in the …   Useful english dictionary

  • forbiddenness due to a selection rule — atrankinis draudimas statusas T sritis fizika atitikmenys: angl. forbiddenness due to a selection rule vok. Auswahlverbot, n rus. запрет вследствие правила отбора, m pranc. interdiction due à la règle de sélection, f …   Fizikos terminų žodynas

  • Surface selection rule — In surface vibrational spectroscopy, the surface selection rule is applied to identify the peaks observed in vibrational spectra. When a molecule is adsorbed on a substrate, the molecule induces opposite image charges in the substrate. The dipole …   Wikipedia

  • Rule 5 draft — The Rule 5 draft is a Major League Baseball player draft that occurs each year in December, at the annual Winter Meeting of general managers. The Rule 5 draft aims to prevent teams from stockpiling too many young players on their minor league… …   Wikipedia

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