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      Finite-Time Disentanglement via Spontaneous Emission

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          Abstract

          We show that under the influence of pure vacuum noise two entangled qubits become completely disentangled in a finite time, and in a specific example we find the time to be given by \(\ln \Big(\frac{2 +\sqrt 2}{2}\Big)\) times the usual spontaneous lifetime.

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          Author and article information

          Journal
          28 April 2004
          2004-09-09
          Article
          10.1103/PhysRevLett.93.140404
          quant-ph/0404161
          Custom metadata
          Phys. Rev. Lett. 93, 140404 (2004)
          revtex, 4 pages, 2 figures
          quant-ph

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