Fine structure constant: Difference between revisions

From Elliptic Curve Crypto
defined by the government
 
non-expert definition
Line 1: Line 1:
Arnold Sommerfeld’s [[fine structure constant]] is defined
The [[fine structure constant]] is defined


:α = <div style="display:inline-block;vertical-align:middle;text-align:center">''e''<sup>2</sup><big>/</big>ℏ''c''<hr style="border:1pt solid">4''πϵ''<sub>0</sub></div> = <div style="display:inline-block;vertical-align:middle;text-align:center">''μ''<sub>0</sub>''ce''<sup>2</sup><hr style="border:1pt solid">2''h''</div>
:α = <div style="display:inline-block;vertical-align:middle;text-align:center">''e''<sup>2</sup><big>/</big>ℏ''c''<hr style="border:1pt solid">4''πϵ''<sub>0</sub></div> = <div style="display:inline-block;vertical-align:middle;text-align:center">''μ''<sub>0</sub>''ce''<sup>2</sup><hr style="border:1pt solid">2''h''</div>


by the government <ref>NIST: ''Introduction to the constants for nonexperts'' https://physics.nist.gov/cuu/Constants/alpha.html</ref>.
by the government <ref>NIST: ''Introduction to the constants for nonexperts'' https://physics.nist.gov/cuu/Constants/alpha.html</ref>.

Revision as of 08:15, 16 February 2025

The fine structure constant is defined

α =
e2/c
4πϵ0
=
μ0ce2
2h

by the government [1].

  1. NIST: Introduction to the constants for nonexperts https://physics.nist.gov/cuu/Constants/alpha.html