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Superconducting Qubits Quantum Simulation

Synthesis of antisymmetric spin exchange interaction and entanglement generation with chiral spin states in a superconducting circuit

arXiv
Authors: Da-Wei Wang, Chao Song, Wei Feng, Han Cai, Da Xu, Hui Deng, Dongning Zheng, Xiaobo Zhu, H. Wang, Shiyao Zhu, Marlan O. Scully

Year

2017

Paper ID

24504

Status

Preprint

Abstract Read

~2 min

Abstract Words

93

Citations

N/A

Abstract

We have synthesized the anti-symmetric spin exchange interaction (ASI), which is also called the Dzyaloshinskii-Moriya interaction, in a superconducting circuit containing five superconducting qubits connected to a bus resonator, by periodically modulating the transition frequencies of the qubits with different modulation phases. This allows us to show the chiral spin dynamics in three-, four- and five-spin clusters. We also demonstrate a three-spin chiral logic gate and entangle up to five qubits in Greenberger-Horne-Zeilinger states. Our results pave the way for quantum simulation of magnetism with ASI and quantum computation with chiral spin states.

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  • We have synthesized the anti-symmetric spin exchange interaction (ASI), which is also called the Dzyaloshinskii-Moriya interaction, in a superconducting circuit containing five...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1712.05261 [2] arXiv https://arxiv.org/abs/1712.05261 [3] Publisher https://arxiv.org/abs/1712.05261

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