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Trapped Ion Quantum Computing Superconducting Qubits

Realization of a quantum walk in phase space using resonator-assisted double quantum dots

arXiv
Authors: Zhihao Bian, Hao Qin, Xiang Zhan, Rong Zhang, Peng Xue

Year

2014

Paper ID

48326

Status

Preprint

Abstract Read

~2 min

Abstract Words

114

Citations

N/A

Abstract

We implement a quantum walk in phase space with a new mechanism based on the superconducting resonator-assisted double quantum dots. By analyzing the hybrid system, we obtain the necessary factors of realization of a quantum walk in phase space: the walker, coin, coin flipping and conditional phase shift. In order to implement the coin flipping operator, we add a driving field to the resonator. The interaction between the quantum dots and resonator field is used to implement conditional phase shift. Furthermore, we show with different driving fields the quantum walk in phase space exhibits a ballistic behavior over 25 steps and numerically analyze the factors which influence the spreading of the walker in phase space.

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  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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  • We implement a quantum walk in phase space with a new mechanism based on the superconducting resonator-assisted double quantum dots.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1407.8148 [2] arXiv https://arxiv.org/abs/1407.8148 [3] Publisher https://arxiv.org/abs/1407.8148

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