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According to the Standard Model of cosmology, dark matter is an entity to explain the dynamics of galaxies and structures on a larger scale. Ubiquitous, it represents about 80% of the matter in the universe. Evanescent to the extreme, it resists any attempt at detection, whether by astronomers or particle physicists. We do not know what it consists of and could be very different from what we think. We offer another track to apprehend this deep something that escapes us. The idea is this. To explain dark matter, we conjectured that it is composed of very light or very heavy particles, such as neutrinos and antineutrinos associated with a magnetic charge and that these neutrinos essentially originate from primordial black holes and classical black holes. We therefore assumed that when baryonic matter crosses the event horizon and there is a blackout, Maxwell's laws are reversed, the electric charge turns into a magnetic charge and it is the magnetic current that induces electric current. In the peripheral internal regions of the black hole, the density and temperature of baryonic matter are very high. The particles would undergo a phase transition and behave like magnetic particles. Standard neutrinos become sterile magnetic neutrinos, true magnetic monopoles. Neutrinos cross the horizon (in several ways) outward to form this all-pervading darkness. They would be essential to the formation of galaxies and clusters of galaxies. The model we are sketching indicates that sterile neutrinos associated with a magnetic charge would interact with the weak force via the magnetic fields that shape the cosmos. These neutrinos form the halos that surround galaxies. They receive the energy of magnetic fields from stars of outer galaxies or pulsars and would be related to the distribution of visible and invisible matter. The magnetic energy, converted into kinetic energy, which they receive from magnetic fields could cause gamma-ray glows in the dark.
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Russell Bagdoo (2022) studied this question.
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