XY model
= XY model
{c}
{wiki}
The XY model is the infinite-state limit of the <clock model>: each spin is a <unit vector> with a continuous angle and the global symmetry is $O(2)$.
= XY model
{c}
{wiki}
The XY model is the infinite-state limit of the <clock model>: each spin is a <unit vector> with a continuous angle and the global symmetry is $O(2)$.