Four-state clock model
= Four-state clock model
The four-state clock model permits the four angles $0,\pi/2,\pi,3\pi/2$. Its finite <discrete symmetry> allows finite-temperature long-range order above one spatial dimension.
= Four-state clock model
The four-state clock model permits the four angles $0,\pi/2,\pi,3\pi/2$. Its finite <discrete symmetry> allows finite-temperature long-range order above one spatial dimension.