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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/215333
Nuclear shell‑model simulation in digital quantum computers
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The nuclear shell model is one of the prime many-body methods to study the structure of atomic nuclei, but it is hampered by an exponential scaling on the basis size as the number of particles increases. We present a shell-model quantum circuit design strategy to find nuclear ground states by exploiting an adaptive variational quantum eigensolver algorithm. Our circuit implementation is in excellent agreement with classical shell-model simulations for a dozen of light and medium-mass nuclei, including neon and calcium isotopes. We quantify the circuit depth, width and number of gates to encode realistic shell-model wavefunctions. Our strategy also addresses explicitly energy measurements and the required number of circuits to perform them. Our simulated circuits approach the benchmark results exponentially with a polynomial scaling in quantum resources for each nucleus. This work paves the way for quantum computing shell-model studies across the nuclear chart and our quantum resource quantification may be used in configuration-interaction calculations of other fermionic systems.
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PEREZ-OBIOL, A., et al. Nuclear shell‑model simulation in digital quantum computers. Scientific Reports. 2023. Vol. 13, num. 12291. ISSN 2045-2322. [consulted: 12 of August of 2026]. Available at: https://hdl.handle.net/2445/215333