Monopoles – physical objects that contain the source (charge) of some field isotropically distributed around the respective object. A typical example is an electric monopole with electric charge, the electric field of which is directed radially around and decreases with distance from the monopole inversely proportional to the square of the distance. Similarly, the gravitational monopole has around a radial gravitational field strength and the monopole mass plays the role of gravitational charge. Magnetic monopole is now regarded as a hypothetical object with a non-zero magnetic charge and magnetic field. The torsion monopole has the same status and would be a hypothetical source of torsion charge and gravitational torsion field in the covariant theory of gravitation (or the hypothetical source of gravitomagnetic field in the general relativity). In reality instead of magnetic monopoles the monopole quasiparticles were found in condensed-matter systems  and in superfluids.  The monopole quasiparticle typically is a magnet with two different magnetic poles at the ends , the north pole and the south pole, which connected by magnetic string. The magnetic fields of poles of the quasiparticle looks like the field of a magnetic monopole.
The hypothetical particle that has both electric and magnetic charge is known as a dion. The object with separated positive and negative charges is the electric dipole, which may be modelled with the help of two electric monopoles. The monopoles represent the first terms in the multipole expansions of different field functions.
Charges and masses
Some monopoles can be described with the following fundamental physical charges and masses:
where is the Planck constant.
The fictitious gravitational torsion quantum, which equals to elementary torsion flux and twice velocity circulation quantum and strong gravitational torsion flux quantum :
The electron mass as a gravitational mass quantum:
The fictitious gravitational torsion quantum related to electron:
The fine structure constant for electromagnetic interaction of two electric monopoles with elementary charges is:
where is the strong gravitational constant, is equal to 0.26 for the interaction of two nucleons, and tending to 1 for particles with a lower density of matter.
For the coupling constant for interaction of nucleon and electron as gravitational monopoles in the field of strong gravitation we have:
For the coupling constant for interaction of two electrons as gravitational monopoles in the field of strong gravitation we have:
Since there is , then the electromagnetic interaction of electrons 1836 times more of their strong gravitational interaction.
If the magnetic monopoles could exist in nature the energy of their magnetic interaction would be equal to:
where is the vacuum permeability, is the distance between two magnetic charges.
The energy of photon is:
Charges and masses
The typical mass of magnetar is about kg. The mass of the discon – the analogue of the electron is: kg or 250 Earth masses, or 0.78 Jupiter masses.
The stellar magnetic flux quantum : J/A.
Stellar coupling constants
The coupling constant for interaction of two magnetars as gravitational monopoles is:
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