Effect of gravitational field self-interaction on large structure formation

TL;DR

This paper investigates whether the self-interaction of the gravitational field in General Relativity can explain large-scale structure formation without dark matter or modifications, showing it accelerates structure growth naturally.

Contribution

It demonstrates that gravitational self-interaction alone can account for the observed large structure formation, eliminating the need for dark matter or new physics.

Findings

Self-interaction accelerates structure growth to observed densities

No dark matter or modifications of known laws needed

Supports alternative gravity explanations for cosmic phenomena

Abstract

We check whether General Relativity's field self-interaction alleviates the need for dark matter to explain the universe's large structure formation. We found that self-interaction accelerates sufficiently the growth of structures so that they can reach their presently observed density. No free parameters, dark components or modifications of the known laws of nature were required. This result adds to the other natural explanations provided by the same approach to the, $inter~alia$, flat rotation curves of galaxies, supernovae observations suggestive of dark energy, and dynamics of galaxy clusters, thereby reinforcing its credibility as an alternative to the dark universe model.