Laboratory search for time variation in the fine structure constant

N.N. Kolachevsky^a, b
^aLebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation
^bMoscow Institute of Physics and Technology (National Research University), Institutskii per. 9, Dolgoprudny, Moscow Region, 141701, Russian Federation

Laboratory methods for detecting possible time variation in the fine structure constant are reviewed. Such methods provide a large amount of controllability while at the same time approaching astrophysical tests in terms of sensitivity to the linear drift. Modern high-precision spectroscopic experiments involving atomic transition frequency measurements against the primary ¹³³Cs standard are reviewed. Combining results from different laboratory spectroscopic measurements allows contributions from the electromagnetic and strong interactions to be disentangled.

PACS: 06.20.Jr, 06.30.Ft (all)
DOI: 10.1070/PU2004v047n11ABEH001870
URL: https://ufn.ru/en/articles/2004/11/b/
Web of Science

000227386100002
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2004PhyU...47.1101K
Citation: Kolachevsky N N "Laboratory search for time variation in the fine structure constant" Phys. Usp. 47 1101–1118 (2004)

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Оригинал: Колачевский Н Н «Лабораторные методы поиска дрейфа постоянной тонкой структуры» УФН 174 1171–1190 (2004); DOI: 10.3367/UFNr.0174.200411b.1171

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