Robust quantum entanglement and teleportation in the tetrapartite spin-1/2 square clusters: Theoretical study on the effect of a cyclic four-spin exchange

Hamid Arian Zad, Azam Zoshki, Nerses Ananikian +1

The whole entanglement measure so-called geometric ${\Pi }_4$ average of tangles and bipartite entanglement of the antiferromagnetic spin-1/2 XXX Heisenberg model on a tetranuclear squa…