superradiancen.
/ˈsuːpəreɪdɪəns/, /ˈsjuːpəreɪdɪəns/, U.S. /ˈsupərreɪdiəns/ Physics.
The collective emission of coherent radiation by a system of excited atoms or ions, esp. as a result of the correlation of excited atomic states by an external macroscopic polarization. Cf. superfluorescence n.
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the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun]
irradiation1599
eradiation1633
radiature1663
diradiation1706
actinism1847
Cerenkov effect1940
superradiance1957
the world > matter > physics > quantum theory > raising energy level, excitation > [noun] > superradiance
superradiance1957
1957 Jrnl. Appl. Physics 28 1049/1 Similar effects have been discussed by Dicke under the name of ‘superradiance’.
1965 Physical Rev. Lett. 14 589 (heading) Nuclear superradiance in solids.
1974 Science 7 June 1062/3 A 10-megawatt pulsed carbon dioxide laser in what Coleman called abnormal spontaneous radiation (Dicke superradiance).
2001 G. Vitello My Double Unveiled v. 97 The generation of photons through superradiance opens new perspectives on the study of holographic phenomena in the dendritic network.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1957