Precise certification of a qubit space
We demonstrate an implementation of the precise test of dimension on the qubit, using the public IBM quantum computer, using the determinant dimension witness. The accuracy is below 10 −3 comparing to maximal possible value of the witness in higher dimension. The test involving minimal independent s...
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| Veröffentlicht in: | EPJ quantum technology 2024-12, Vol.11 (1), p.21, Article 21 |
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| creator | Białecki, Tomasz Rybotycki, Tomasz Batle, Josep Tworzydło, Jakub Bednorz, Adam |
| description | We demonstrate an implementation of the precise test of dimension on the qubit, using the public IBM quantum computer, using the determinant dimension witness. The accuracy is below 10
−3
comparing to maximal possible value of the witness in higher dimension. The test involving minimal independent sets of preparation and measurement operations (gates) is applied both for specific configurations and parametric ones. The test is robust against nonidealities such as incoherent leakage and erroneous gate execution. Two of the IBM devices failed the test by more than 5 standard deviations, which has no simple explanation. |
| doi_str_mv | 10.1140/epjqt/s40507-024-00230-4 |
| format | Article |
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−3
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| subjects | Nanotechnology and Microengineering Physics Physics and Astronomy Quantum computers Quantum computing Quantum Information Technology Quantum Physics Qubits (quantum computing) Spintronics Standard deviation |
| title | Precise certification of a qubit space |
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