TITLE:
The Structural Constant s0 of All Atoms as a Universal Physical Constant
AUTHORS:
Milan Perkovac
KEYWORDS:
Fine-Structure Constant, Structural Constant of All Atoms, Mendeleev’s Periodic Table, Unit of Substance Type “Boscovich”, Universal Physical Constant
JOURNAL NAME:
Journal of Applied Mathematics and Physics,
Vol.14 No.9,
September
4,
2026
ABSTRACT: A universal physical constant (or fundamental constant) is an empirical physical quantity that remains unchanged throughout the universe and across time. All of these properties are satisfied by the structural constant of all atoms s0, shown in the article [1], and fine-structure constant
α=
e
2
/
(
2
ε
0
hc
)
, which was introduced into physics by Arnold Sommerfeld in 1915, and therefore we can claim that that constants are universal physical constants which is also called a natural constants like the speed of light c, Newton constant of gravitation G, vacuum magnetic permeability µ0, vacuum electric permittivity ε0 or others, like cosmological constant Λ, elementary charge e, electron mass me, proton mass mp, neutron mass mn or Avogadro constant NA and so on. I note that Planck’s h is not among the above-mentioned universal constants. The reason for this is that according to my earlier research Planck’s h is a complex physical quantity consisting of the aforementioned universal constants and structural constant s0:
h=
μ
0
c
e
2
s
0
2
, [2]. If the fine-structure constant α is determined precisely in a different way, as done in the article [3], then expression α is used to determine Planck’s h and finally to calculate the structural constant s0. We will use this fact to write this article. With very precise data for the fine-structure constant α, this is the most accurate calculation for s0.