Stephen Hawking's postuma theory , perhaps the most important of the famous astrophysicist, presents a vision of the cosmos much simpler than that of other current models.Is the universe not infinite as it has been proposed for decades? According to this work concluded by Hawking a few months after his death, the universe has limits, it is finite .
Stephen Hawking's postuma theory
Before that the Stephen Hawking postuma theory , developed in collaboration with Professor Thomas Hertog of the University of Leuven, Belgium, was published recently in the Journal of High Energy Physics , it was argued that the universe was born from a brief explosion during a minimum fraction of a second after the Big Bang, when the cosmos began to expand exponentially .This vision of the cosmos also proposes that , once inflation begins, for quantum effects there are regions that never stop growing.That is, inflation is eternal, which translates into an infinite universe.

But Stephen Hawking was not a defender of the multiverse, to show this theory that simplifies the notion of a universe" infinite fractal "with a mosaic of different universes, reducing it to "a much smaller universe, homogeneous and manageable," as described by Hertog.On the other hand Hawking defined it as a reasonably smooth and globally finite .it is a fractal structure ».
The previous theory, according to scientists, could not be tested experimentally if the scale of the different universes in the multiverse is large or infinite.Three years ago when Hertog and Hawking embarked on this study, they applied the string theory mathematics to explain the origin of the universe.With this method they would correct those elements of the multiverse theory that they did not they convince them at all or that they found them wrong, and the most Importantly, this model would become more predictive, reliable and verifiable with the formulas they postulate.

« We are not in a single universe, but our findings imply a reduction meaningful of the multiverse, to a much smaller range of possible universes, » based Hawking in relation to this theory that entered revision ten days before his death.
Gravitational waves would be the primary object to verify this structure , however, said by its authors, gravitational waves would have a very long wavelength, out of the reach of our current LIGO detectors (Laser Interferometer Gravitational-Wave Observatory ) On the basis of this, Hertog plans to study the theory on small scales, adapting It is the capacity of the current space telescopes.
As far as this is concerned, there is still a long way to go and develop this theory that would open a portal to find evidence about the existence of parallel universes, but with Regarding the opinion of other physicists, the conclusions of Hawking and Hertog embodied in the document are only speculative and insubstantial.
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