Suppose you're a little creature living on a Möbius strip.
Then after "walking in a circle" (i.e. 2π radians), you will actually be upside-down.
In order to get back to where you started, you have to go around twice!
Check out my neat gif!
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Iirc (spec. rel) the EM 4-pot can be treated like a curvature on Minkowski so you can get Dirac/etc from the free theory by just using a covariant deriv (d-ieA) where the deriv goes. So is what youre saying that any potential treatable like this won't get me what I'm looking for?
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I’m curious, take your Time indep Schrodinger and consider time evolution of (for simplicity) an eigenstate (finite level also). Is this parallel transport on the Hilbert space?
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