On the oddly pervasive notion of the conservation of energypic.twitter.com/j0iWw1sbTY
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Hmm. That was Feynman's PhD thesis. https://cds.cern.ch/record/101498/files/Thesis-1942-Feynman.pdf … Or are you referring to Schwinger’s formulation?
I'm not referring to Feynman's sum-over-paths formulation (which every physicist knows). I mean a way of formulating Schroedinger's equation as an entirely classical equation of motion on a classical phase space. Sum-over-paths is something entirely different.
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Interesting! What’s a good reference?
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IIRC Kingsley Jones and Steve Weinberg independently wrote some papers about related ideas in the late 1980s. TBH, I can't suggest a particular paper, because I only ever glanced at them. Jones told me the results, and I worked out details in my notes.
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