Physics/Essays/Fedosin/Natural scale

In physics, Natural scale is the scale, which connects with the mass of electron. The method of constructing of the scale is the same as for Planck scale and Stoney scale. Usually, the Natural scale now considered for definition of the gravitational force between electrons and has not appropriate attention that should be for the scale of matter.

The natural gravitational coupling constant is:
 * $$\alpha_{N} = \frac{m_e^2}{2hc\,\varepsilon_g} = 1.7517846\cdot 10^{-45}, \ $$

where

$$m_e $$ is the electron mass;

$$h $$ is the Planck constant;

$$c$$ is the speed of light in vacuum;

$$\varepsilon_g= \frac{1}{4\pi G} $$ is the gravitoelectric gravitational constant;

$$ G$$ is the gravitational constant.

Fundamental units of vacuum
The set of primary vacuum constants is: the speed of light $$~c$$; the electric constant $$~\varepsilon_0$$; the speed of gravity $$~c_g$$ (usually equated to the speed of light); the gravitational constant $$~G $$.

The set of secondary vacuum constants is: The vacuum permeability: $$ \mu_0 = \frac{1}{\varepsilon_0 c^2}\ $$;

The electromagnetic impedance of free space:
 * $$ Z_0 = \mu_0 c = \sqrt{\frac{\mu_0}{\varepsilon_0}}= \frac{1}{\varepsilon_0 c} $$;

The gravitoelectric gravitational constant: $$~\varepsilon_g = \frac{1}{4\pi G } $$;

The gravitomagnetic gravitational constant: $$~\mu_g = \frac{4\pi G }{ c^2_g} $$;

The gravitational characteristic impedance of free space:
 * $$~\rho_g =\sqrt{\frac{\mu_g}{\varepsilon_g}} = \frac{4\pi G }{c_g}.  $$

Natural scale units based on electron mass
For the sake of completeness in the Table 1 the main Natural scale units in the form consistent with Tables for the Stoney scale and vacuum constants are presented.

The difference of Natural coupling constant $$\alpha_N \ $$ and fine structure constant $$\alpha \ $$ is so high, that the Natural scale now is the base for the  Dirac large numbers and different numerology approaches.

Actually, the relationship between fine structure constant and Natural coupling constant yields the Dirac number:
 * $$\xi_D = \frac{\alpha}{\alpha_N} = \left(\frac{e}{m_e}\right)^2 \frac{\varepsilon_g}{\varepsilon_0} = \left(\frac{m_S}{m_e}\right)^2 = 4.167\cdot 10^{42}, \ $$

where $$m_S \ $$ is the Stoney mass.