Robust generation of high-fidelity entangled states for multiple atoms |
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| Authors: | Lin Li-Hua |
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| Affiliation: | Department of Physics, Fuzhou University, Fuzhou 350002, China |
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| Abstract: | A scheme is presented for generating entangled states of multiple
atoms in a cavity. In the scheme the atoms simultaneously interact
with a cavity mode, with the first atom driven by two classical
fields and the other atoms driven by a classical field. Our scheme
is valid even if the cavity decay rate is larger than the effective
coupling strength, which is important for experiment. The generation
of entangled states is conditional on the detection of a photon
decaying from the cavity and thus the fidelity of the entangled
state is insensitive to the detection inefficiency. Furthermore, the
scheme can be applied to the case with any number of atoms in
principle. |
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| Keywords: | cavity QED entangled state optical cavity |
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