Optimal Control for the Quantum Simulation of Nuclear Dynamics

Abstract

We propose a method for enacting the unitary time propagation of two interacting neutrons at leading order of chiral effective field theory by efficiently encoding the nuclear dynamics into a single multi-level quantum device. The emulated output of the quantum simulation shows that, by applying a single gate that draws on the underlying characteristics of the device, it is possible to observe multiple cycles of the nucleons' dynamics before the onset of decoherence. Owing to the signal's longevity, we can then extract spectroscopic properties of the simulated nuclear system. This allows us to validate the encoding of the nuclear Hamiltonian and the robustness of the simulation in the presence of quantum-hardware noise by comparing the extracted spectroscopic information to exact calculations. This work paves the way for transformative calculations of dynamical properties of nuclei on near-term quantum devices.

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Cited by in corpus (35)

• Quantum Simulation for High Energy Physics
• A Trailhead for Quantum Simulation of SU(3) Yang-Mills Lattice Gauge Theory in the Local Multiplet Basis
• Standard Model Physics and the Digital Quantum Revolution: Thoughts about the Interface
• Quantum Simulating Nature's Fundamental Fields
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• Systematically Localizable Operators for Quantum Simulations of Quantum Field Theories
• Real-time quantum calculations of phase shifts using wave packet time delays
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• Digital Quantum Simulation of Scalar Yukawa Coupling