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author:

Kang, Yi-Hao (Kang, Yi-Hao.) [1] | Chen, Ye-Hong (Chen, Ye-Hong.) [2] | Shi, Zhi-Cheng (Shi, Zhi-Cheng.) [3] (Scholars:施志成) | Song, Jie (Song, Jie.) [4] | Xia, Yan (Xia, Yan.) [5] (Scholars:夏岩)

Indexed by:

EI Scopus SCIE

Abstract:

In this paper, we propose a protocol to prepare W states with superconducting quantum interference devices by using dressed states. Through choosing a set of dressed states suitably, the protocol can be used to accelerate the adiabatic passages while additional couplings are unnecessary. Moreover, we can optimize the evolution of the system with the restraint to the populations of the intermediate states by choosing suitable control parameters. Numerical simulations show that the protocol is robust against the parameter variations and decoherence mechanisms. Furthermore, the protocol is faster and more robust against the dephasing compared with that by the adiabatic passages. As for the Rabi frequencies of pulses designed by the method, they can be expressed by the linear superpositions of Gaussian functions, which does not increase difficulty in the experiments. In addition, the protocol could be controlled and manipulated easily in experiments with a circuit quantum electrodynamics system.

Keyword:

Community:

  • [ 1 ] [Kang, Yi-Hao]Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
  • [ 2 ] [Chen, Ye-Hong]Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
  • [ 3 ] [Shi, Zhi-Cheng]Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
  • [ 4 ] [Xia, Yan]Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
  • [ 5 ] [Song, Jie]Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China

Reprint 's Address:

  • 夏岩

    [Xia, Yan]Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China

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Source :

PHYSICAL REVIEW A

ISSN: 2469-9926

Year: 2016

Issue: 5

Volume: 94

2 . 9 2 5

JCR@2016

2 . 6 0 0

JCR@2023

ESI Discipline: PHYSICS;

ESI HC Threshold:186

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 78

SCOPUS Cited Count: 80

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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