Astrophysicists have modeled the first trillionth of a second of the Big Bang

Physicists from the Universities of Göttingen and Auckland (New Zealand), using computer simulations, found

that a complex network of structures could form infor the first trillionth of a second after the Big Bang. The behavior of these objects mimics the distribution of galaxies in the modern universe. However, unlike her, the primitive structures were microscopically small. Typical objects have a mass of only a few grams - much lighter than modern elementary particles. The results of the study appeared in the journal Physical Review D.

Researchers were able to observe the developmentareas of higher density that are held together by their own gravity. “The physical space represented by our simulations would fit into one proton,” said Professor Jens Niemeyer, head of the Astrophysical Cosmology Group at the University of Göttingen. "This is perhaps the largest simulation of the smallest region of the universe done so far."

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The researchers added that the formation of suchstructures, as well as their movements and interactions, should have generated the background noise of gravitational waves. Simulations can be used to calculate the strength of this gravitational signal, which can be measured in the future.

They also suggested thattiny black holes if these structures are destroyed. If this happens, they can have observable consequences, or become part of mysterious dark matter.

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