What do you guys think does the most explanatory work in QFT? @InertialObservr @MattersDarkly
Correlation functions, S-matrix, scattering elements, cross sections, etc.? Lots of people have talked about realism wrt. fields and particles, but not much wrt. these objects
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The ontology of QFT in my mind is one of the most difficult possible tasks.. a “hard problem” if you will, to abuse Daniel Chalmers phrase
It requires at its heart understanding wtf the QFT formalism is describing
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There’s a great PSE post on this.. take the field operator φ³.. as a field operator it’s not even clear what this even means
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Lmao yeah it’s pretty hilarious to see the PSE answer questions about physical significance of X, where we have the most abstract mathematical formalisms as far divorced from human experience as possible
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