AtomTwin.jl: a physics-native digital twin framework for neutral-atom quantum processors

arXiv:2604.18531 (quant-ph)

Title:AtomTwin.jl: a physics-native digital twin framework for neutral-atom quantum processors

Abstract:AtomTwin$.$jl is an open-source Julia package for developing and simulating quantum protocols, hardware configurations and building digital twins for neutral-atom quantum processors and related atomic quantum devices. AtomTwin operates between mathematical models and physical devices; modeling atoms, optical tweezers, laser fields, atomic motion, interactions, and noise processes natively from physical geometry and parameters, without requiring users to define Hamiltonians manually. The package provides hardware-level instruction sequences, high-performance solvers for coupled quantum and classical dynamics, and a ready-to-use model for ytterbium-171 atoms in an extensible framework designed to accommodate a greater variety of atomic species and hardware components in the future. This paper describes the software architecture, performance benchmarks against existing toolboxes, and a demonstrated end-to-end application: preparation of a logical Bell state in the $[[4,2,2]]$ error-detecting code with four $^{171}$Yb atoms in moveable tweezers.

Quantum Physics (quant-ph); Atomic Physics (physics.atom-ph)

arXiv:2604.18531 [quant-ph]

(or arXiv:2604.18531v2 [quant-ph] for this version)

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