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- TL;DR Summary
- Momentum space is the Fourier conjugate space of position. Intrinsic angular momentum, i.e., spin, space is the Fourier conjugate space of what?
Momentum ##\vec{p}## and position ##\vec{x}## are Fourier conjugates, as are energy ##E## and time ##t##.
What is the Fourier conjugate of spin, i.e., intrinsic angular momentum? Angular position?
What is the Fourier conjugate of spin, i.e., intrinsic angular momentum? Angular position?