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author:

Ma, Ling-hui (Ma, Ling-hui.) [1] | Kang, Yi-Hao (Kang, Yi-Hao.) [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:

We propose a protocol to implement controlled-not (C-NOT) gates of two superconducting quantum interference device (SQUID) qubits in a cavity. The Rabi frequencies of driven pulses are designed by means of the shortcuts to adiabaticity. The numerical simulations show that the fidelities of the C-NOT gates are insensitive to the deviations of control parameters. Besides, the C-NOT gates are robust against the decoherent factors, such as spontaneous emissions and dephasings of the SQUID qubits and the decay of the cavity mode. Therefore, the protocol may be useful in the fields of quantum computations.

Keyword:

Controlled-not gate Shortcuts to adiabaticity Superconducting quantum interference device

Community:

  • [ 1 ] [Ma, Ling-hui]Fuzhou Univ, Dept Phys, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Kang, Yi-Hao]Fuzhou Univ, Dept Phys, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Shi, Zhi-Cheng]Fuzhou Univ, Dept Phys, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Xia, Yan]Fuzhou Univ, Dept Phys, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Ma, Ling-hui]Fuzhou Univ, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Kang, Yi-Hao]Fuzhou Univ, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350116, Fujian, Peoples R China
  • [ 7 ] [Shi, Zhi-Cheng]Fuzhou Univ, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350116, Fujian, Peoples R China
  • [ 8 ] [Xia, Yan]Fuzhou Univ, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350116, Fujian, Peoples R China
  • [ 9 ] [Song, Jie]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China

Reprint 's Address:

  • 夏岩

    [Xia, Yan]Fuzhou Univ, Dept Phys, Fuzhou 350116, Fujian, Peoples R China;;[Xia, Yan]Fuzhou Univ, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350116, Fujian, Peoples R China

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Source :

QUANTUM INFORMATION PROCESSING

ISSN: 1570-0755

Year: 2018

Issue: 11

Volume: 17

2 . 2 2 2

JCR@2018

2 . 2 0 0

JCR@2023

ESI Discipline: PHYSICS;

ESI HC Threshold:158

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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