Consider a configuration of spins on the square lattice .

The simplest example is perhaps percolation in a two dimensional square lattice.

By reflection symmetry on a square lattice, only even powers of gradients contribute.

The square lattice's symmetry category is wallpaper group p4m.

Triangular and square lattices of holes have been successfully employed.

In the two-dimensional case, the lattice is a square lattice.

It is a square lattice of 1's and 0's - the binary numbers used by computers.

The team demonstrated their technique with two experiments, using a gas of rubidium-87 atoms in a square optical lattice.

The top level traps no water because it is far above the percolation threshold for a square lattice, 0.592746.

The states of this model are spins on faces of a square lattice.