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Thanks for bringing it to my attention. I may attempt to delve into its arguments some time, if nothing else just to honour the author.

Perhaps thats because QFT does not reduce to ordinary QM: https://arxiv.org/abs/1712.06605 Thanks Bill

I should agree but not because QFT doesn't remove any need for interpretation; only because QFT has never established any interpretation...

I was in a similar position as you 45 years ago, and I made a successful transition to the defense industry where we did a lot of...

Sigh... Why on earth, after so many posts about what energy is, you decide to write this nonsense? Why did you ignore everything we said...

No, an excitation in a quantum field has energy. Sure, energy and mass are equivalent. That doesn't mean a quantum field excitation...

Analyzing complex macroscopic multi-particle phenomena in terms of Feynman diagrams, may be extremely difficult (if possible at all)...

When I was younger, I would grind through the details. I even taught myself Rigged Hilbert Spaces (it took some time) to understand...

The algebra in that paper and the algebra needed in QFT in general is truly quite a lot. I remember my QFT course in grad school was...

Dale's answer is, as usual, excellent. However, after reading the link I posted a natural question is what is the wave function of a...

Thank you for these very appropriate references

If you want the gory technical detail, see: https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=3211&context=physics_facpub Be...

In Maxwell's equations you have potentials and fields and sources, and in QED in this scenario you have potentials and fields and...

Radio/TV carrier waves are so-called coherent (or Glauber) states of the quantized electromagnetic field: (from...

It is the same as the explanation with Maxwell's equations. QED reduces to Maxwell's equations at the scale of a TV aerial etc.