Frustrated Lattice

Thermodynamics

Measurements

Energy/site
Magnetization
Frustrated bonds
MCS steps0
Accept rate
Antiferromagnet on triangular lattice:
Cannot 3-color edges consistently
S/k_B → (ln 2)/2 ≈ 0.3466 at T→0
Pauling estimate for residual entropy
T_c = 0 for true TLAF in 2D (Wannier 1950)
Open: long-range order exists?
Triangular Lattice (red=frustrated)
Energy vs Temperature
Frustration & Correlations