- #1
LagrangeEuler
- 717
- 20
In Ising model with nearest neighbours interaction
[tex]\langle S_iS_{i+j}\rangle[/tex] is different of 0, and this is corelation function between spin on lattice site i, and spin on lattice site i+j. What means that corelation?
[tex]\langle S_iS_{i+j}\rangle[/tex] is different of 0, and this is corelation function between spin on lattice site i, and spin on lattice site i+j. What means that corelation?