Generation of multi-atom entangled states in coupled cavities via transitionless quantum driving

Generation of multi-atom entangled states in coupled cavities via transitionless quantum driving 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. Quantum Information Processing Springer Journals

Generation of multi-atom entangled states in coupled cavities via transitionless quantum driving

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Springer US
Copyright © 2015 by Springer Science+Business Media New York
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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    An, NB
  • Simple schemes for quantum information processing with W-type entanglement
    Wang, XW; Yang, GJ; Su, YH; Xie, M
  • Tripartite entanglement of atoms trapped in coupled cavities via quantum Zeno dynamics
    Chen, RX; Shen, LT
  • Effective protocol for generation of multiple atoms entangled states in two coupled cavities via adiabatic passage
    Chen, YH; Xia, Y; Song, J
  • Interaction-free measurement
    Kwiat, P; Weinfurter, H; Herzog, T; Zeilinger, A; Kasevich, MA
  • Shortcuts to adiabaticity by counterdiabatic driving
    Campo, AD
  • Shortcuts to adiabatic passage for population transfer and maximum entanglement creation between two atoms in a cavity
    Lu, M; Xia, Y; Shen, LT; Song, J; An, NB
  • Efficient shortcuts to adiabatic passage for fast population transfer in multiparticle systems
    Chen, YH; Xia, Y; Chen, QQ; Song, J
  • Trapping of single atoms in cavity QED
    Ye, J; Vernooy, DW; Kimble, HJ

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