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Self-testing of quantum systems: a review

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arxiv 1904.10042 v4 pith:77UGFPQ2 submitted 2019-04-22 quant-ph

classification quant-ph
keywords quantumself-testinginformationreviewsystemsapplicationareasbeen
verification ladder T0 review T1 audit T2 compute T3 formal
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Self-testing is a method to infer the underlying physics of a quantum experiment in a black box scenario. As such it represents the strongest form of certification for quantum systems. In recent years a considerable self-testing literature has been developed, leading to progress in related device-independent quantum information protocols and deepening our understanding of quantum correlations. In this work we give a thorough and self-contained introduction and review of self-testing and its application to other areas of quantum information.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. General framework for verifying pure quantum states in the adversarial scenario

    quant-ph 2019-09 accept novelty 8.0 of 10

    A general verification framework shows that pure quantum states can be certified against adversarial state preparation with at most a constant-factor overhead over nonadversarial verification.

  2. Robust self-test of the maximally entangled state of two-qubits without assuming unitary observables

    quant-ph 2026-07 accept novelty 7.0 of 10

    A pure robust self-test of the singlet and Paulis is obtained for non-unitary binary observables via regularization, yielding an explicit analytic O(√ε) distance bound without measurement dilation.

  3. Device-Independent Self-Testing of the Three-Qubit CCZ Hypergraph State

    quant-ph 2026-07 accept novelty 6.0 of 10

    The CCZ hypergraph state and its Pauli measurements can be device-independently self-tested from twenty correlators, and also from maximal violation of a specially constructed Bell inequality.

  4. How post-selection affects device-independent claims under the fair sampling assumption

    quant-ph 2019-08 accept novelty 6.0 of 10

    Under fair sampling, post-selected Bell-test statistics from lossy detectors exactly match the statistics of lossless detectors measuring a locally filtered quantum state, and small fair-sampling violations cause only...

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