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  • Experimental entanglement swapping: Entangling photons that never interacted

    • 摘要:

      We experimentally entangle freely propagating particles that never physically interacted with one another or which have never been dynamically coupled by any other means. This demonstrates that quantum entanglement requires the entangled particles neither to come from a common source nor to have interacted in the past. In our experiment we take two pairs of polarization entangled photons and subject one photon from each pair to a Bell-state measurement. This results in projecting the other two outgoing photons into an entangled state. © 1998 The American Physical Society.

    • 作者:

      Pan Jian-Wei;Bouwmeester Dik;Weinfurter Harald;Zeilinger Anton

    • 刊名:

      Physical Review Letters

    • 在线出版时间:

      1998