A Five-Dimensional Universe To Explain Dark Matter

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A group of researchers from the Johannes Gutenberg University in Germany suggested that the force exerted by dark matter could be caused by the gravity of some particles present in a fifth dimension ‘hypothetical’.

In this regard, the theorization of a pentadimensional universe was conceived already in early 1920 by the physicists Oskar Klein and Theodor Kaluza. The two scientists, in fact, tried to unify the gravitational field described by Albert Einstein’s equations of general relativity, with the electromagnetic field described by Maxwell’s equations, through the introduction of a fifth spatial dimension in addition to the four, three spatial However, this theory was then discarded in accordance with the discovery of other fundamental forces in the atomic kingdom: the strong and weak nuclear forces.

Later, around the 1970s, the concept of a multidimensional universe was taken up thanks to the famous string theory. Which assumes that our universe could be a three-dimensional’stringa’ within a ten-dimensional space-time. This would justify why the force of gravity is much weaker than the other fundamental forces, in fact, while the latter would be ‘confined’ on the string that represents our universe, gravity would spread in the remaining six spatial dimensions

Returning to the recent proposal of German physicists, it is good to specify that, although their theory on dark matter may be interesting, there are a large number of other candidates who can understand this’mysterious’ strength. In this regard, we refer you to our article on primordial black holes, and their role in the conception of dark matter.

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