Quantinuum and HQS Simulate 21-Spin NMR Spectrum on 42 Qubits With 1,400+ Two-Qubit Gate Circuits

Quantinuum and HQS Quantum Simulations successfully simulated a 21-spin NMR spectrum on Quantinuum’s 42-qubit quantum computer, the H2-1. This simulation, which modeled 1,2-di-tert-butyl-diphosphane, demonstrated the viability of deep digital Hamiltonian simulation for complex NMR challenges, even reproducing a subtle double-peak structure that previous systems struggled with. This advancement, detailed in a preprint on arXiv, marks a significant step for quantum computing in scientific research.

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