Pertains to any question concerning the ideas that are formulated, whether mathematically or not, to explain or describe physical phenomena.
5
votes
6answers
526 views
Interaction ranges in the Standard Model - Electrodynamics vs QCD
as you might know, the Standard Model of physics can be seen as a $U(1)\times SU(2)\times SU(3)$ gauge theory where each symmetry group accounts for different force fields.
The behaviour for the ...
1
vote
2answers
240 views
What is an analog to QM's Hilbert space in GR?
I've read that QM operates in a Hilbert space (where the state functions live). I dont know if its meaningful to ask such a question, what are the answers to an anlogous questions on GR and newtonian ...
10
votes
2answers
517 views
Is the G2 Lie algebra useful for anything?
Seems like all the simpler Lie algebras have a use in one or another branch of theoretical physics. Even the exceptional E8 comes up in string theory. But G2? I've always wondered about that one. ...
0
votes
1answer
528 views
Heim Theory and FTL [closed]
Years ago there was some hype around a theory that would supposedly allow for FTL. But I have since heard nothing of this.
Is anything happening with the theory? How would a magnetic field allow us ...
