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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Experimental cryptographic verification for near-term quantum cloud computing.

Xi Chen1, Bin Cheng2, Zhaokai Li1

  • 1Hefei National Laboratory for Physical Sciences at the Microscale and Department of Modern Physics, University of Science and Technology of China (USTC), Hefei 230026, China; CAS Key Laboratory of Microscale Magnetic Resonance, USTC, Hefei 230026, China; Synergetic Innovation Center of Quantum Information and Quantum Physics, USTC, Hefei 230026, China.

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|January 19, 2023
PubMed
Summary
This summary is machine-generated.

This study validates a cryptographic scheme for quantum cloud computing verification. While effective on a lab-based quantum processor, current cloud quantum computers show insufficient fidelity for reliable verification.

Keywords:
NMR quantum computingQuantum cloud computingQuantum computationVerification

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Area of Science:

  • Quantum Computing
  • Cryptography
  • Information Security

Background:

  • Ensuring genuine quantum computation in cloud environments is crucial.
  • Distinguishing quantum computers from classical simulations is a key challenge.
  • Cryptographic verification offers a potential solution for trust in quantum cloud services.

Purpose of the Study:

  • To assess the applicability of a cryptographic verification scheme for quantum cloud computing.
  • To theoretically extend and experimentally implement the verification scheme.
  • To evaluate the performance of the scheme on different quantum processors.

Main Methods:

  • Theoretical extension of a cryptographic verification scheme.
  • Implementation on a 5-qubit Nuclear Magnetic Resonance (NMR) quantum processor.
  • Deployment on 5-qubit and 16-qubit IBM quantum cloud processors.

Main Results:

  • The NMR processor results were verifiable with approximately 1.4% error after noise compensation.
  • IBM quantum cloud processors exhibited an error rate of about 42%, failing the verification.
  • The scheme's practicality is linked to achieving quantum supremacy by cloud providers.

Conclusions:

  • The cryptographic verification scheme shows promise for authenticating quantum cloud computing.
  • Current cloud quantum hardware fidelity limitations hinder immediate widespread application.
  • Further advancements in quantum hardware are necessary for the scheme's full potential.