- "Fourier transform the Coulomb potential into 6D k-space and back again."

I'm guessing that this is a larger rant brewing, but are you doing some sort of symplectic phase space calculations or is it about quantization of potential in general? In either case, this paper by Maurice de Gosson and this overview of applications of symplectic spaces helped me a lot with getting some sense out of it. At least for a given definition of sense and keeping in mind that I'm one of those maths-kids that you seem to be so annoyed with. ;)

But I agree. Most of my physics courses are largely maths courses put in a context of differently worded axioms. When the least abstract thing I have this semester is the formal treatment of diffraction I begin to see why so few people remain on physics.

It's a kinetic plasma theory course. We're taking a two or one-fluid plasma phase space distribution function into fourier space for dispersion relations, and laplace transforms to get into Fokker-Planck diffusion treatments. It's more than a little cool, it's just not the sort of thing you only have 10 hours to budget for every other week because you're spending most of your time teasing out electron motions near the diffusion region of magnetic reconnection.

Every class here starts like "OK, so when we subtract two vectors..." and then two months later it's "...arriving, of course, at the Christoffel symbols, a rank X tensor containing the coefficients of fictitious forces arising form coordinate transformations".

My academic situation is rapidly deteriorating, yes. Someday maybe you'll read about it in a book! ...written by my future child for a fourth grade literature project.

Thanks for listening by the way. I've not truly been myself for months, now. I'm leaving this place soon, American universities are becoming a generally toxic environment. I think there are 3 to 4 "administrators" for each professor, and we're still wondering where the grant money is going? Trump's going to bleed them dry, if he has his way. Big brain drain over the next few years.

- It's a kinetic plasma theory course. We're taking a two or one-fluid plasma phase space distribution function into fourier space for dispersion relations, and laplace transforms to get into Fokker-Planck diffusion treatments.

*Woosh!*

I can kinda see how all that would connect, but that's it. I might as well tell you to "do a barrel roll".

- Every class here starts like "OK, so when we subtract two vectors..." and then two months later it's "...arriving, of course, at the Christoffel symbols, a rank X tensor containing the coefficients of fictitious forces arising form coordinate transformations".

It hits close to home. My GR course this semester started with "this is your typical gravitational potential, nothing fancy". It's nothing like that since week three.

- Thanks for listening by the way.

Come on, man. That's the least I could do, especially considering the walls of text that I'm usually dumping on you. I hope you'll get some break soon. And not the psychotic kind, just a normal leisurely type of break.