Finite-Time Disentanglement via Spontaneous Emission

Details Finite-Time Disentanglement via Spontaneous Emission Finite-Time Disentanglement via Spontaneous Emission

2004-04-28

arxiv.org/abs/quant-ph/0404161v2

Phys. Rev. Lett. 93, 140404 (2004)

Physics

Quantum Physics

revtex, 4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.93.140404

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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