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Selection rule

In physics and chemistry, a selection rule, or transition rule, formally constrains the possible transitions of a system from one quantum state to another. Selection rules have been derived for electromagnetic transitions in molecules, in atoms, in atomic nuclei, and so on. The selection rules may differ according to the technique used to observe the…

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Selection rule

Nodes62
Edges61
Triples42
Avg. degree1.97
Density0.032258
Components1

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Selection rule

Top relations

related to Further reading · 16
Selection rule → Bibcode, Bower, Cambridge University Press, Chapter, ISBN, Journal, Maddams, Raman, Raman Spectroscopy, Section, Selection, Sherwood, Solids, Stanton, The, Vibrational Spectroscopy
related to Electronic spectra · 8
Selection rule → Both, In, It, Laporte, Likewise, Spin, The, The Laporte
related to Coupled transitions · 6
Selection rule → In, It, Symmetric, The, There, This
related to Surface · 4
Selection rule → In, The, Therefore, When
related to overview · 2
Selection rule → In, This
is a · 1
Selection rule → value of the transition moment integral m 1
related to Rotational spectra · 1
Selection rule → The
see also · 1
Selection rule → Superselection

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Important terminology

transitions transition selection symmetry rule moment rules forbidden molecule spin spectroscopy vibrational function dipole displaystyle wave state spectra quantum angular

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Selection ruleis avalue of the transition moment integral m 10.90text
are observed in vibrationinstance ofThere are many types of coupled transition0.80text
vibrationalinstance ofThe excited-state wave function is the product of two wave functions0.80text
rotationalinstance ofThe excited-state wave function is the product of two wave functions0.80text
Selection rulerelated to Coupled transitionsThere0.60section
Selection rulerelated to Coupled transitionsThe0.60section
Selection rulerelated to Coupled transitionsIn0.60section
Selection rulerelated to Coupled transitionsThis0.60section
Selection rulerelated to Coupled transitionsIt0.60section
Selection rulerelated to Coupled transitionsSymmetric0.60section
Selection rulerelated to Electronic spectraThe Laporte0.60section
Selection rulerelated to Electronic spectraIn0.60section

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