In this paper, a scheme is proposed for the preparation of the tripartite W state or W-like state of nonidentical particles. In our scheme, our required resources include two atoms and one cavity field, which makes our system become simple. Because each party included by W state has its own two possible states, and is not identical each other, one can easily distinguish them. Furthermore, we teleportate an unknown state of cavity field by using this W state as quantum channels. Our scheme of preparation employing a single high-Q superconducting cavity turns out to be attractive to realize based on present or future cavity QED techniques.
Quantum Information Processing – Springer Journals
Published: Jun 20, 2007
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