- #1
anklimekruk
- 30
- 1
Dear Sir,
P 25 in quantum field theory for the gifted amateur One makes Fourier transforms from the position to the frequency space for the system of linear chain of N atoms.
How can I see that in the frequency space the excitations are uncoupled .
I also don’t understand equation 2.50
P 25 in quantum field theory for the gifted amateur One makes Fourier transforms from the position to the frequency space for the system of linear chain of N atoms.
How can I see that in the frequency space the excitations are uncoupled .
I also don’t understand equation 2.50