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In this paper, we propose an efficient scheme to generate three-atom W states in spatially separated cavities connected by optical fibers. In the scheme, we combine the “transitionless quantum driving” with “quantum Zeno dynamics” to construct a shortcut to fast generate W states. Comparing with the traditional adiabatic passage, the significant advantage is that the interaction time required for the creation of the W state is much shorter, which is very important in view of decoherence. Furthermore, the harmful effects of various decoherence such as atomic spontaneous emission, cavity losses and the fiber photon leakages are considered. Numerical simulations illustrate that the shortcut scheme is much faster than the schemes using adiabatic passage and robust against the decoherence. Moreover, this scheme can also be generalized to generation of N-atom W states. © 2015, Springer Science+Business Media New York.
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Quantum Information Processing
ISSN: 1570-0755
Year: 2015
Issue: 12
Volume: 14
Page: 4475-4492
1 . 8 4
JCR@2015
2 . 2 0 0
JCR@2023
ESI HC Threshold:200
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
SCOPUS Cited Count: 16
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
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