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A laid-back surfer has just drawn up a new theory of the universe that is blowing the establishment’s socks off. His theory is seen by some as the “Holy Grail of physics”, and is earning rave reviews from distinguished scientists.
The inspiration behind Lisi's model is something you can actually see. It’s the most elegant and intricate shape known to mathematics, called E8 – an eight-dimensional mathematical pattern with 248 points first found in 1887. The pattern was only fully understood by mathematicians this year after workings, that, if written out in tiny print, would cover an area the size of Manhattan.
E8 encapsulates the symmetries of a geometric object that is 57-dimensional and is itself is 248-dimensional. Lisi said, "I think our universe is this beautiful shape."
What makes E8 so exciting is that Nature also seems to have embedded it at the heart of many bits of physics. One interpretation of why we have such a quirky list of fundamental particles is because they all result from different facets of the strange symmetries of E8.
Lisi's breakthrough came when he noticed that some of the equations describing E8's structure matched his own. "My brain exploded with the implications and the beauty of the thing," he tells New Scientist. "I thought: 'Holy crap, that's it!'"
What Lisi had realized was that he could find a way to place the various elementary particles and forces on E8's 248 points. What remained were 20 gaps, which he filled with notional particles, for example those that some physicists predict to be associated with gravity.
Originally posted by Kyoto111
What was the theory
Abstract: All felds of the standard model and gravity are unified as an E8 principal bundle connection. A non-compact real form of the E8 Lie algebra has G2 and F4 subalgebras which break down to strong su(3), electroweak su(2) x u(1), gravitational so(3,1), the frame-Higgs, and three generations of fermions related by triality. The interactions and dynamics of these 1-form and Grassmann valued parts of an E8 superconnection are described by the curvature and action over a four dimensional base manifold.
Originally posted by Kyoto111
What was the theory