Image: Dmitry Levkov
A group of Russian scientists has developed a mathematical model describing the behavior of dark matter within the galactic halo to predict the emergence of exotic stars composed of condensate Bose-Einstein. Such objects can be the cause of the observed radio bursts and other anomalies. Article scientists published in the journal Physical Review Letters. Brief description of the study in a press release on Phys.org.
Boson star or Bose-star is a held its own gravity giant BLOB of condensate Bose-Einstein — matter formed by bosons — particles that can exist in the same quantum state. This distinguishes them from fermions (e.g. electrons), are subject to the Pauli exclusion principle. To the bosons, including photons, making it possible to create lasers, and even some atoms, including rubidium-87. Condensate-Bose Einstein behaves as an extended particle or atom.
It is believed that dark matter consists of particles, which can also be bosons. Therefore, under certain conditions these particles, for example, ultralight QCD axions may condense, forming a stable spherical “drops” bosonic matter.
Physicists have created a mathematical model of condensation processes of a hypothetical light bosons in small clusters and dark matter halo surrounding the galaxy and extending far beyond it. They showed that the clusters can spontaneously be formed only by the forces of gravity without taking into account other possible interactions between dark matter particles. The time required for the formation of condensate, a hundred thousand times more the time required to one particle crossed the space used in the simulation.
When the boson star composed of axions becomes too large, it explodes emitting relativistic axions and photons in the radio. Such disasters can cause fast radio bursts, and other not yet explained anomalies.
Video, photo All from Russia.