f-sum rule

0.01 sec.

f-sum rule [′ef ‚səm ‚rül]

(atomic physics)

The rule that the sum of thefvalues (or oscillator strengths) of absorption transitions of an atom in a given state, minus the sum of thefvalues of the emission transitions in that state, equals the number of electrons which take part in these transitions. Also known as Thomas-Reiche-Kuhn sum rule.

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.

?Page tools

Printer friendly
Cite / link

Feedback

Mentioned in	?		References in periodicals archive	?		Encyclopedia browser	?		Full browser	?
No references found			The sense in which the f-sum rule is satisfied is discussed. The pole term in linear response theory: an example from the ... by Levine, Zachary H.; Cockayne, Eric / Journal of Research of the National Institute of Standards and Technology			F line F martingale F meson f number F process F region F scan F scope f spot F star f stop F test f value F# F' center F+L F-15 F-16 F-86 F-code F-Logic f-number F-RAM F-rating f-stop f-sum rule F. E. Dzerzhinskii Commune F. Gilbert Hills State Forest F. P. A. F/V converter F/X F1 F1 key F100-L F1layer F2 f2c F2F F2layer F68K fA Fa-Chia FAB Fab region Fabales Faber flaw Faber Stapulensis, Jacobus Faber, Frederick William Faber, Johannes Faber, Lothar von Faber-Jackson relation			F-plasmid F-plasmid F-plasmid F-Prot for Windows F-PSA F-PURE F-QPCH F-RAC F-RAM F-rating F-ratio F-RCCH F-S F-SCCHT F-SCH F-Secure Client Security F-Secure Management Agent F-Secure Mobile Security F-Secure Policy Manager Console F-Secure Policy Manager Reporting Option F-Secure Policy Manager Server F-Secure Startup Wizard F-SHRP F-SMS f-stop f-stop f-stops f-stops f-sum rule f-SWL F-SYNC F-SYNCH f-system F-TDPICH F-test F-TV F-TY F-UIP F-V F-value F-value F-value F-Wave Conduction Velocities F-Wave Latency Difference F-word F-words F-Zero F-Zero GX F-ZF-BDFE F-ZF-BLE f. f. f. f. F. A. Aulard F. A. Hayek Foundation F. A. Lange F. A. Wolf

Encyclopedia

Free Tools:	For surfers: Free toolbar & extensions \| Word of the Day \| Help For webmasters: Free content \| Linking \| Lookup box \| Double-click lookup

Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.