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We suggest a method of entangling significantly the distant ends of a spinchain using minimal control. This entanglement between distant individual spinsis brought about solely by exploiting the dynamics of an initial mixed statewith Neel order if the lattice features nearest-neighbor XXZ interaction. Thereis no need to control single spins or to have engineered couplings or to pulseglobally. The method only requires an initial nonadiabatic switch (a quench)between two Hamiltonians followed by an evolution under the second Hamiltonian.The scheme is robust to randomness of the couplings as well as the finitenessof an appropriate quench and could potentially be implemented in variousexperimental setups, ranging from atoms in optical lattices toJosephson-junction arrays.

Exploiting Quench Dynamics in Spin Chains for Distant Entanglement and Quantum Communication