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10-Qubit Entanglement and Parallel Logic Operations with a Superconducting Circuit.

Authors :
Chao Song
Kai Xu
Wuxin Liu
Chui-ping Yang
Shi-Biao Zheng
Hui Deng
Qiwei Xie
Keqiang Huang
Qiujiang Guo
Libo Zhang
Pengfei Zhang
Da Xu
Dongning Zheng
Xiaobo Zhu
Wang, H.
Chen, Y.-A.
Lu, C.-Y.
Siyuan Han
Jian-Wei Pan
Source :
Physical Review Letters. 11/3/2017, Vol. 119 Issue 18, p1-1. 1p.
Publication Year :
2017

Abstract

Here we report on the production and tomography of genuinely entangled Greenberger-Horne-Zeilinger states with up to ten qubits connecting to a bus resonator in a superconducting circuit, where the resonator-mediated qubit-qubit interactions are used to controllably entangle multiple qubits and to operate on different pairs of qubits in parallel. The resulting 10-qubit density matrix is probed by quantum state tomography, with a fidelity of 0.668±0.025. Our results demonstrate the largest entanglement created so far in solid-state architectures and pave the way to large-scale quantum computation. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00319007
Volume :
119
Issue :
18
Database :
Academic Search Index
Journal :
Physical Review Letters
Publication Type :
Academic Journal
Accession number :
126148345
Full Text :
https://doi.org/10.1103/PhysRevLett.119.180511