← LABPART II · FORCE5 / 7
CH1 · PARAMAGNETIC
SPIN
every magnetic moment at random
CH1 · PARAMAGNETIC
DISORDER
T > T_c — thermal energy wins
CH1 · PARAMAGNETIC
UNCORRELATED
each atom ignores its neighbors
CH2 · CRITICAL
TRANSITION
T → T_c = 2.269 J/k_B
CH2 · CRITICAL
SCALE-FREE
fluctuations at every length scale
CH2 · CRITICAL
CRITICAL
the boundary between two phases
CH3 · FERROMAGNETIC
DOMAINS
islands of aligned spins form
CH3 · FERROMAGNETIC
MAGNETIZED
the majority has chosen
CH3 · FERROMAGNETIC
ORDER
collective behaviour from pair interactions
CH4 · ORDERED
FROZEN
T << T_c — near-perfect alignment
CH4 · ORDERED
GROUND STATE
the minimum energy configuration
CH4 · ORDERED
THE SHAPE
one macro-state — countless micro-states