Abstract

We propose experimentally feasible schematics to teleport one of the major attributes of matter—i.e. atomic motion in the momentum space—with the assistance of Bragg regime atom-cavity field interactions. In this context, the procedure for teleportation of a superposition of the external momentum of a neutral atom along with its atomic momentum Bell state is described in detail. The protocol is then generalized to cover the teleportation of any high-dimensional entangled state. Such schematics based on a hybrid system—i.e. atoms and photons—may solve a long standing problem by efficiently closing both the detection as well as locality loopholes simultaneously for Bell’s inequality testing, an option not available with either photons or atoms alone.

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