Engineering discrete local dynamics in globally driven dual-species atom arrays
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866910001621106688 |
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| author | Cesa, Francesco Di Fini, Andrea Korbany, David Aram Tricarico, Roberto Bernien, Hannes Pichler, Hannes Piroli, Lorenzo |
| author_facet | Cesa, Francesco Di Fini, Andrea Korbany, David Aram Tricarico, Roberto Bernien, Hannes Pichler, Hannes Piroli, Lorenzo |
| contents | We introduce a method for engineering discrete local dynamics in globally-driven dual-species neutral atom experiments, allowing us to study emergent digital models through uniform analog controls. Leveraging the new opportunities offered by dual-species systems, such as species-alternated driving, our construction exploits simple Floquet protocols on static atom arrangements, and benefits of generalized blockade regimes (different inter- and intra-species interactions). We focus on discrete dynamical models that are special examples of Quantum Cellular Automata (QCA), and explicitly consider a number of relevant examples, including the kicked-Ising model, the Floquet Kitaev honeycomb model, and the digitization of generic translation-invariant nearest-neighbor Hamiltonians (e.g., for Trotterized evolution). As an application, we study chaotic features of discretized many-body dynamics that can be detected by leveraging only demonstrated capabilities of globally-driven experiments, and benchmark their ability to discriminate chaotic evolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_16961 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Engineering discrete local dynamics in globally driven dual-species atom arrays Cesa, Francesco Di Fini, Andrea Korbany, David Aram Tricarico, Roberto Bernien, Hannes Pichler, Hannes Piroli, Lorenzo Quantum Physics Statistical Mechanics Atomic Physics We introduce a method for engineering discrete local dynamics in globally-driven dual-species neutral atom experiments, allowing us to study emergent digital models through uniform analog controls. Leveraging the new opportunities offered by dual-species systems, such as species-alternated driving, our construction exploits simple Floquet protocols on static atom arrangements, and benefits of generalized blockade regimes (different inter- and intra-species interactions). We focus on discrete dynamical models that are special examples of Quantum Cellular Automata (QCA), and explicitly consider a number of relevant examples, including the kicked-Ising model, the Floquet Kitaev honeycomb model, and the digitization of generic translation-invariant nearest-neighbor Hamiltonians (e.g., for Trotterized evolution). As an application, we study chaotic features of discretized many-body dynamics that can be detected by leveraging only demonstrated capabilities of globally-driven experiments, and benchmark their ability to discriminate chaotic evolution. |
| title | Engineering discrete local dynamics in globally driven dual-species atom arrays |
| topic | Quantum Physics Statistical Mechanics Atomic Physics |
| url | https://arxiv.org/abs/2601.16961 |