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author:

Han, Jin-Xuan (Han, Jin-Xuan.) [1] | Wu, Jin-Lei (Wu, Jin-Lei.) [2] | Wang, Yan (Wang, Yan.) [3] | Xia, Yan (Xia, Yan.) [4] (Scholars:夏岩) | Song, Jie (Song, Jie.) [5] | Jiang, Yong-Yuan (Jiang, Yong-Yuan.) [6]

Indexed by:

Scopus SCIE

Abstract:

We present a one-step scheme in circuit quantum electrodynamics (QED) to realize multi-target controlled phase gates by using one microwave cavity that is coupled capacitively to a superconducting flux qutrit which plays the control role and simultaneously controls n target qutrits embedded in the microwave cavity. A strong classical field is imposed on the control qutrit so as to yield two dressed states, one of which is coded as a logical state. The controlled phase gates can be employed to achieve the creation of entangled states deterministically without any measurement, including the Bell state, the GHZ state, and the cluster state. Numerical simulations demonstrate that the high-fidelity creation of the entangled state is feasible with the constructed controlled phase gate under the present circuit QED technology. Copyright (C) EPLA, 2019

Keyword:

Community:

  • [ 1 ] [Han, Jin-Xuan]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
  • [ 2 ] [Wu, Jin-Lei]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
  • [ 3 ] [Wang, Yan]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
  • [ 4 ] [Song, Jie]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
  • [ 5 ] [Jiang, Yong-Yuan]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China
  • [ 6 ] [Xia, Yan]Fuzhou Univ, Dept Phys, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • [Wu, Jin-Lei]Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China

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Source :

EPL

ISSN: 0295-5075

Year: 2019

Issue: 5

Volume: 127

1 . 9 5 8

JCR@2019

1 . 8 0 0

JCR@2023

ESI Discipline: PHYSICS;

ESI HC Threshold:138

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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