Interesting theory of everything

A very interesting and relatively simple theory of everything (including gravity) The theory should be testable with new particle colliders.

E8 polytope

All fields of the standard model and gravity are unifed 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.

Article from the Telegraph

The crucial test of Lisi’s work will come only when he has made testable predictions. Lisi is now calculating the masses that the 20 new particles should have, in the hope that they may be spotted when the Large Hadron Collider starts up.

“The theory is very young, and still in development,” he told the Telegraph. “Right now, I’d assign a low (but not tiny) likelyhood to this prediction.

“For comparison, I think the chances are higher that LHC will see some of these particles than it is that the LHC will see superparticles, extra dimensions, or micro black holes as predicted by string theory. I hope to get more (and different) predictions, with more confidence, out of this E8 Theory over the next year, before the LHC comes online.”

The E8 theory is being discussed on physics forums.

E8 theory is predictive (that is to say falsifiable) because it has no free parameters to adjust. It will say what it will say—and if that is shown to be wrong, then the theory’s wrong. As development proceeds changes might be made to the action and to the way E8 symmetry is broken, but a good many features are already locked in as unalterable predictions. Like the 18 new particles—which might serve to resolve the astrophysical dark—or might serve to trip the theory up!

E8 theory predicts what reactions are allowed for both the new and the already observed standard particles. So even though it is just taking shape the theory is already offering the prospect of something experimentalists can look for. Traditionally this is what hep-th is supposed to do.

Other discussions

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