Re: hbar=e^2/e0c

In short the dielectric constant is in steradians

e/e0=ke
electric permittivity: e = 1.2922426(01) x 10^-13 A^2-s^4/kg-m^3
electric constant: e0 = 8.854187817... x 10^-12 A^2-s^4/kg-m^3-sr
dielectric constant: ke = 1.4594705(14) x 10^-2 sr

because the magnetic constant is in steradians

u/u0=km
magnetic permeability: u = 8.6102257(82) x 10^-5 kg-m/A^2-s^2
magnetic constant: u0 = 1.256637061... x 10^-6 kg-m-sr/A^2-s^2
relative permeability: km = 6.8517999(54) x 10^1 /sr

and electromagnetically ke times km = 1 unity.

hbar=e^2/e0c
reduced Planck constant: hbar = 9.6705527(59) x 10^-36 kg-m^2-sr/s
elementary charge: e = 1.6021765(31) x 10^-19 A-s
electric constant: e0 = 8.854187817... x 10^-12 A^2-s^4/kg-m^3-sr
speed of light in vacuum: c = 2.99792458 x 10^8 m/s

h=e^2/e0cke
Planck constant: h = 6.6260693(11) x 10^-34 kg-m^2/s
elementary charge: e = 1.6021765(31) x 10^-19 A-s
electric constant: e0 = 8.854187817... x 10^-12 A^2-s^4/kg-m^3-sr
speed of light in vacuum: c = 2.99792458 x 10^8 m/s
dielectric constant: ke = 1.4594705(10) x 10^-2 sr

Garry Denke

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