  We propose a scheme to produce spin entangled states for two interacting
electrons. One electron is bound in a well in a semiconductor quantum wire and
the second electron is transported along the wire, trapped in a surface
acoustic wave potential (SAW) minimum. We investigate the conditions for which
the Coulomb interaction between the two electrons induces entanglement.
Detailed numerical investigation reveals that the two electrons can be fully
spin entangled depending on the confinement characteristics of the well and the
SAW potential amplitude.

Mesoscale and Nanoscale Physics