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Quantum electrodynamics is a continuous theory. Its predictions agree with measurements of the electron g-factor and of energy levels in atomic hydrogen to 12 d
by fsh 4y ago
Quantum electrodynamics is a continuous theory. Its predictions agree with measurements of the electron g-factor and of energy levels in atomic hydrogen to 12 digits of relative accuracy. It would be interesting if a discretized version (if at all possible to construct) makes the same predictions at that level.
- naasking 4y agoI agree, that would be interesting! The paper I linked above suggests that discrete theories are simpler and require less formal structure (ie. no need to talk about gauges or gauge fixing), that's why I said above that I think a push towards discrete physics would provide many insights.