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- W4327937629 abstract "Quantum simulation on near-term quantum hardware is a topic of intense interest. The preparation of novel quantum states of matter provides a quantitative assessment of the capabilities of near-term digital quantum computers to implement circuits with structure of relevance to quantum simulation. Here, we conduct a benchmark study by realizing symmetry-protected topological (SPT) phases of a spin-1/2 Hamiltonian with next-nearest-neighbor hopping on up to 11 qubits on a programmable superconducting quantum processor using adiabatic state preparation. Using recompilation techniques to reduce the gate count to around 50 two-qubit gates, we observe clear signatures of the two distinct SPT phases, such as excitations localized to specific edges and finite string-order parameters. We identify a parasitic phase associated with the two-qubit gate as the dominant imperfection that limits the depth of the circuits, indicating a research topic of interest for future hardware development." @default.
- W4327937629 created "2023-03-21" @default.
- W4327937629 creator A5012507787 @default.
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- W4327937629 creator A5082397890 @default.
- W4327937629 date "2023-03-20" @default.
- W4327937629 modified "2023-09-30" @default.
- W4327937629 title "Realizing symmetry-protected topological phases in a spin-1/2 chain with next-nearest-neighbor hopping on superconducting qubits" @default.
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- W4327937629 doi "https://doi.org/10.1103/physreva.107.032614" @default.
- W4327937629 hasPublicationYear "2023" @default.
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