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author:

Liang, Yan (Liang, Yan.) [1] | Wu, Qi-Cheng (Wu, Qi-Cheng.) [2] | Su, Shi-Lei (Su, Shi-Lei.) [3] | Ji, Xin (Ji, Xin.) [4] | Zhang, Shou (Zhang, Shou.) [5]

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Abstract:

We propose an alternative scheme of shortcuts to a quantum controlled phase gate in a much shorter time based on the approach of Lewis-Riesenfeld invariants in cavity quantum electrodynamics systems. This scheme can be used to perform a one-qubit phase gate, a two-qubit controlled phase gate, as well as a multiqubit controlled phase gate. The strict numerical simulations demonstrate that the total operation time for implementing controlled phase gates is much shorter than previous schemes and very robust against decoherence. © 2015 American Physical Society.

Keyword:

Electrodynamics Quantum theory Qubits

Community:

  • [ 1 ] [Liang, Yan]Department of Physics, Yanbian University, Yanji; 133002, China
  • [ 2 ] [Wu, Qi-Cheng]Department of Physics, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Su, Shi-Lei]Department of Physics, Harbin Institute of Technology, Harbin; 150001, China
  • [ 4 ] [Ji, Xin]Department of Physics, Yanbian University, Yanji; 133002, China
  • [ 5 ] [Zhang, Shou]Department of Physics, Yanbian University, Yanji; 133002, China
  • [ 6 ] [Zhang, Shou]Department of Physics, Harbin Institute of Technology, Harbin; 150001, China

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Source :

Physical Review A

ISSN: 2469-9926

Year: 2015

Issue: 3

Volume: 91

2 . 7 6 5

JCR@2015

2 . 6 0 0

JCR@2023

ESI HC Threshold:200

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 60

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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