Entanglement in AF spin chains

Experimental realization of long-distance entanglement between spins in antiferromagnetic quantum spin chains.

S. Sahling, G. Remenyi, C. Paulsen, P. Monceau, V. Saligrama, C. Marin, A. Revcolevschi, L. P. Regnault, S. Raymond and J. E. Lorenzo

Nature Physics 11, 255 (2015)

Sketch of a quantum communication channel and properties of spins entangled through antiferromagnetic interactions