rdf:type |
qudt:PhysicalConstant |
dcterms:description |
The \(\textit{Fine-structure Constant}\) is a fundamental physical constant, namely the coupling constant
characterizing the strength of the electromagnetic interaction.
|
qudt:applicableUnit |
unit:UNITLESS |
qudt:dbpediaMatch |
http://dbpedia.org/resource/Fine-structure_constant |
qudt:hasQuantityKind |
quantitykind:DimensionlessRatio |
qudt:informativeReference |
|
qudt:isoNormativeReference |
http://www.iso.org/iso/catalogue_detail?csnumber=31895 |
qudt:latexDefinition |
\(a = \frac{e^2}{4\pi\varepsilon_0\hbar c_0}\), where \(e\) is the elementary charge, \(\varepsilon_0\) is the electric constant, item \(\hbar\) is the reduced Planck constant, and \(c_0\) is the speed of light in vacuum. |
qudt:latexSymbol |
\(a\) |
qudt:normativeReference |
http://www.iso.org/iso/catalogue_detail?csnumber=31895 |
qudt:quantityValue |
constant:Value_FineStructureConstant |
rdfs:isDefinedBy |
http://qudt.org/3.1.10/vocab/constant |
rdfs:label |
“Fine-Structure Constant”@en |
