  We study arrays of mechanical oscillators in the quantum domain and
demonstrate how the motions of distant oscillators can be entangled without the
need for control of individual oscillators and without a direct interaction
between them. These oscillators are thought of as being members of an array of
nano-electromechanical resonators with a voltage being applicable between
neighboring resonators. Sudden non-adiabatic switching of the interaction
results in a squeezing of the states of the mechanical oscillators, leading to
an entanglement transport in chains of mechanical oscillators. We discuss
spatial dimensions, Q-factors, temperatures and decoherence sources in some
detail, and find a distinct robustness of the entanglement in the canonical
coordinates in such a scheme. We also briefly discuss the challenging aspect of
detection of the generated entanglement.
