- #1

- 970

- 3

[tex]<m(k)m(p)>=(2 \pi)^3 \delta(k+p)|m(k)|^2[/tex]

where m(k) and m(p) are the Fourier transform of the order parameter density and the angled brackets <> stand for an ensemble average?

For example, the magnetization M is given by:

[tex]M=<\int d^3r m(r)> [/tex]