Journal
PHYSICAL REVIEW LETTERS
Volume 119, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.180511
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Funding
- National Basic Research Program of China [2014CB921201, 2014CB921401]
- National Natural Science Foundations of China [11434008, 11374054, 11574380, 11374344, 11404386]
- Fundamental Research Funds for the Central Universities of China [2016XZZX002-01]
- National Key Research and Development Program of China [2016YFA0301802]
- National Science Foundation [PHY-1314861]
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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.
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