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Sign in to saveAlso known as fine structure constant, Sommerfeld's constant, Sommerfeld fine structure constant
physical constant quantifying the strength of the electromagnetic interaction between elementary charged particles
Wikidata facts
- Instance of
- dimensionless quantity
- Image
- Enrico Fermi at the blackboard.jpg
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- numeric value
- 0.0072973525693
- Commons category
- Fine-structure constant
- time of discovery or invention
- 1918-00-00
- discoverer or inventor
- Arnold Sommerfeld
- facet of
- electromagnetic interaction
- maintained by WikiProject
- WikiProject Mathematics
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