Spin Ice · 2-in / 2-out
unseel.com · pyrochlore lattice · ice rule · emergent monopoles
Ice rule 2-in/2-out
Monopoles 0
phase
Ising spin ⟨111⟩
Monopole +Q (3-in/1-out)
Antimonopole −Q (1-in/3-out)
Dirac string
Unseel.com · Spin Ice