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Einstein's coefficient of spontaneous emission |
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Einstein's coefficient of spontaneous emission [¦īn‚stīnz ‚kō·ə¦fish·ənt əv spän¦tā·nē·əs ə′mish·ən]
(atomic physics) Proportionality constant governing the rate at which atoms or molecules pass spontaneously from an upper energy state to a lower one by emission of radiation, equal to the number of such transitions per second divided by the number of atoms in the upper state. 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. |
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