Bose Stars (dark matter in origin)

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SUMMARY

The discussion centers on the concept of Bose stars, which are theorized to form from the clumping of dark matter into cold droplets known as Bose-Einstein condensates. A significant finding indicates that after an extensive duration—100,000 times longer than the time required for a particle to traverse the simulation volume—particles can spontaneously create a condensate that assumes a spherical shape due to gravitational forces. This phenomenon raises questions regarding the implications for microlensing constraints if Bose stars are to have a substantial influence in the universe.

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  • Understanding of dark matter and its properties
  • Familiarity with Bose-Einstein condensates
  • Knowledge of gravitational effects on particle systems
  • Basic principles of microlensing in astrophysics
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  • Investigate microlensing effects and their relevance to dark matter models
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Astronomers, astrophysicists, and researchers interested in dark matter theories and their implications for cosmic structures.

unusually_wrong
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https://www.sciencealert.com/matehmatical-model-of-cold-dark-matter-bose-einstein-condensate-stars

dark matter could be clumping into cold droplets called 'Bose stars'.

"After a very long period, 100,000 times longer than the time needed for a particle to cross the simulation volume, the particles spontaneously formed a condensate, which immediately shaped itself into a spherical droplet, a Bose star, under the effect of gravity."

Interesting read. Thoughts and comments?
 
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These things always tend to violate constraints from microlensing if they are supposed to play a strong role.
 

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