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This is the definition in relativity. They haven't been able to make that idea work in quantum physics, despite it explaining practically everything else, so on
by svachalek 3y ago
This is the definition in relativity. They haven't been able to make that idea work in quantum physics, despite it explaining practically everything else, so one theory or the other needs an adjustment.
- contravariant 3y agoMy hot take is that they haven't quite been able to make it work for quantum physics either, they just got lucky that their makeshift solution works provided things don't couple together too tightly. Also quantum field theory seems be just plain bad at explaining classical phenomena, which dominate general relativity. To me at least it seems quite difficult to describe a basic electromagnetic from the QFT, other than pointing at the Lagrangian in the path integral and saying something about how contributions outside its extremum will cancel out. Though perhaps I'm simply missing some trick here.