The table lists the energy and magnetization for both free ends and periodic boundary conditions.
State | Energy (FE) | Energy (PBC) | Magnetization |
1= \uparrow\uparrow | -J | -2J | 2 |
2=\uparrow\downarrow | J | 2J | 0 |
$ 3=\downarrow\uparrow$ | J | 2J | 0 |
$ 4=\downarrow\downarrow$ | -J | -2J | -2 |