Controlled Unitary Operation between Two Distant Atoms

Details Controlled Unitary Operation between Two Distant Atoms Controlled Unitary Operation between Two Distant Atoms

2004-09-21

arxiv.org/abs/quant-ph/0409136v2

Phys. Rev. A 72, 052309 (2005)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.72.052309

We propose a scheme for implementing a controlled unitary gate between two distant atoms directly communicating through a quantum transmission line. To achieve our goal, only a series of several coherent pulses are applied to the atoms. Our scheme thus requires no ancilla atomic qubit. The simplicity of our scheme may significantly improve the scalability of quantum computers based on trapped neutral atoms or ions.

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