Spontaneous emission and teleportation in cavity QED

Details Spontaneous emission and teleportation in cavity QED Spontaneous emission and teleportation in cavity QED

2005-04-21

arxiv.org/abs/quant-ph/0504159v2

J. Phys. B: At. Mol. Opt. Phys. 38 (2005) 3875-3884

Physics

Quantum Physics

11 pages, 6 figures, LaTeX

Scientific paper

10.1088/0953-4075/38/21/010

In this work, we consider atomic spontaneous emission in a system consisting of two identical two-level atoms interacting dispersively with the quantized electromagnetic field in a high-Q cavity. We investigate the destructive effect of the atomic decay on the generation of maximally entangled states, following the proposal by Zheng S B and Guo G C (2000 Phys. Rev. Lett. 85 2392). In particular, we analyze the fidelity of teleportation performed using such a noisy channel and calculatethe maximum spontaneous decay rate we may have in order to realize teleportation.

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