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Trapped Ion Quantum Computing Quantum Simulation

Shortcuts to adiabatic passage for multiqubit controlled phase gate

arXiv
Authors: Yan Liang, Xin Ji

Year

2014

Paper ID

46239

Status

Preprint

Abstract Read

~2 min

Abstract Words

80

Citations

N/A

Abstract

We propose an alternative scheme of shortcuts to quantum phase gate in a much shorter time based on the approach of Lewis-Riesenfeld invariants in cavity quantum electronic dynamics (QED) systems. This scheme can be used to perform one-qubit phase gate, two-qubit controlled phase gate and also multiqubit controlled phase gate. The strict numerical simulation for some quantum gates are given, and demonstrate that the total operation time of our scheme is shorter than previous schemes and very robustness against decoherence.

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