One of the most widely accepted scientific theories about the origin of the universe, the Big Bang theory, might not be quite as stable of a model as scientists previously thought. Evidence of cosmic microwave background radiation and the expansion of the universe seemed to prove that all known matter exploded from a single point 13.8 billion years ago, but a new model suggests that the Big Bang may never have happened at all. That would mean that all the matter in the universe has always existed, and there is no obvious beginning.
According to Phys.org, the new study applies quantum correction terms to Einstein’s famous theory of general relativity to suggest that the universe never expanded nor shrunk (as the “Big Bang” and “Big Crunch” hypotheses suggest). In addition to disproving Big Bang theory, the model could also explain the cause of dark matter and dark energy. This research was co-authored by two physicists in Egypt, Ahmed Farag Ali from Benha University and the Zewail City of Science and Technology, and Saurya Das from the University of Lethbridge in Alberta, Canada.
“The Big Bang singularity is the most serious problem of general relativity because the laws of physics appear to break down there,” Ali explained.
Despite the confusion of general relativity with the laws of physics, the authors did not simply throw out the Big Bang theory due to complications. Both Ali and Das based their work on the theoretical physicist David Bohm, utilizing his trajectories in an equation from the 1950s, created by the physicist Amal Kumar Raychaudhuri. The result was a corrected equation with new quantum information applied to account for the expansion of the universe (or the Big Bang), while still fitting with Einstein’s theory of general relativity.
“It is satisfying to note that such straightforward corrections can potentially resolve so many issues at once,” said Das.
Ali and Das’ research describes the universe without the Big Bang as infinite space filled with a kind of quantum fluid, made of massless particles called gravitons. Though gravitons have not yet been proven to exist, they are be essential in substantiating the theory of quantum gravity.
Astrophysicist Brian Koberlein clarifies that the new model only suggests there was not a singularity at the beginning of the universe, as he explained on his website.
“The catch is that by eliminating the singularity, the model predicts that the universe had no beginning. It existed forever as a kind of quantum potential before ‘collapsing’ into the hot dense state we call the Big Bang. Unfortunately many articles confuse ‘no singularity’ with ‘no big bang.'”
According to Earth Sky, the new model doesn’t necessarily prove the Big Bang never happened, as there’s still an expansion of the universe to account for, but it could greatly contribute to the scientific discussion about the origin of everything.
What do you think about the Big Bang theory? Did it happen the way scientists say it did?