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author:

Liang, Y. (Liang, Y..) [1] | Wu, Q.-C. (Wu, Q.-C..) [2] | Su, S.-L. (Su, S.-L..) [3] | Ji, X. (Ji, X..) [4] | Zhang, S. (Zhang, S..) [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.

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  • [ 1 ] [Liang, Y.]Department of Physics, Yanbian University, Yanji, 133002, China
  • [ 2 ] [Wu, Q.-C.]Department of Physics, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Su, S.-L.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
  • [ 4 ] [Ji, X.]Department of Physics, Yanbian University, Yanji, 133002, China
  • [ 5 ] [Zhang, S.]Department of Physics, Yanbian University, Yanji, 133002, China
  • [ 6 ] [Zhang, S.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China

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Physical Review A - Atomic, Molecular, and Optical Physics

ISSN: 1050-2947

Year: 2015

Issue: 3

Volume: 91

2 . 8 0 8

JCR@2014

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: 1

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