SPIN GLASS

Edwards-Anderson model — frustration and disorder

T = 0.50
8
Energy/site
Magnetization
Frustrated bonds
Satisfied bonds
spin up (+1)
spin down (−1)
ferromagnetic bond (+J)
antiferromagnetic (−J)
Frustrated plaquettes (⊗) cannot simultaneously satisfy all bonds. The random ±J couplings create a rugged energy landscape with exponentially many metastable states.
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