2D Ising model — watch spins order as
T
crosses
T
c
Temperature
T
(units of
J
/
k
B
):
3.50
Critical temperature
T
c
= 2.269
. Cool below it and domains of aligned spins grow; the correlation length ξ diverges as ξ ∼ |
T
−
T
c
|
−1
.
Pause
Randomize
|m| =
0.00
ξ ≈
—
lattice spacings
|m| history (last 300 samples)