16-qubit IBM universal quantum computer can be fully entangled

Yuanhao Wang; Ying Li; Zhang qi Yin; Bei Zeng

doi:10.1038/s41534-018-0095-x

16-qubit IBM universal quantum computer can be fully entangled

Yuanhao Wang
, Ying Li
, Zhang qi Yin^*
, Bei Zeng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

117 Citations (Scopus)

Abstract

Entanglement is an important evidence that a quantum device can potentially solve problems intractable for classical computers. In this paper, we prepare connected graph states involving 8 to 16 qubits on ibmqx5, a 16-qubit superconducting quantum processor accessible via IBM cloud, using low-depth circuits. We demonstrate that the prepared state is fully entangled, i.e., the state is inseparable with respect to any fixed partition.

Original language	English
Article number	46
Journal	npj Quantum Information
Volume	4
Issue number	1
DOIs	https://doi.org/10.1038/s41534-018-0095-x
Publication status	Published - 1 Dec 2018
Externally published	Yes

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title = "16-qubit IBM universal quantum computer can be fully entangled",

abstract = "Entanglement is an important evidence that a quantum device can potentially solve problems intractable for classical computers. In this paper, we prepare connected graph states involving 8 to 16 qubits on ibmqx5, a 16-qubit superconducting quantum processor accessible via IBM cloud, using low-depth circuits. We demonstrate that the prepared state is fully entangled, i.e., the state is inseparable with respect to any fixed partition.",

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AB - Entanglement is an important evidence that a quantum device can potentially solve problems intractable for classical computers. In this paper, we prepare connected graph states involving 8 to 16 qubits on ibmqx5, a 16-qubit superconducting quantum processor accessible via IBM cloud, using low-depth circuits. We demonstrate that the prepared state is fully entangled, i.e., the state is inseparable with respect to any fixed partition.

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16-qubit IBM universal quantum computer can be fully entangled

Abstract

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