ArticleNature physics2025
Simulating two-dimensional lattice gauge theories on a qudit quantum computer.
Article in Nature physics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Qudit W and Greenberger-Horne-Zeilinger states on a two-photon chip.Light, science & applications · 2026Article
- Photonic networking of quantum memories in high dimensions.Science advances · 2026Article
- Quantum logic operations and algorithms in a single 25-level atomic qudit.Nature communications · 2026Article
- Qudit-Native Simulation of the Potts Model.Entropy (Basel, Switzerland) · 2026Article
- Aharonov-Bohm interference in aNature physics · 2026Article
- The phase diagram of quantum chromodynamics in one dimension on a quantum computer.Nature communications · 2025Article
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- Simulating two-dimensional lattice gauge theories on a qudit quantum computer.Nature physics · 2025Article
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Authors and funding
14 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Particle physics describes the interplay of matter and forces through gauge theories. Yet, the intrinsic quantum nature of gauge theories makes important problems notoriously difficult for classical computational techniques. Quantum computers offer a promising way to overcome these roadblocks. We demonstrate two essential requirements on this path: first, we perform a quantum computation of the properties of the basic building block of two-dimensional lattice quantum electrodynamics, involving both gauge fields and matter. Second, we show how to refine the gauge-field discretization beyond its minimal representation, using a trapped-ion qudit quantum processor, where quantum information is encoded in several states per ion. Such qudits are ideally suited for describing gauge fields, which are naturally high dimensional, leading to reduced register size and circuit complexity. We prepare the ground state of the model using a variational quantum eigensolver and observe the effect of dynamical matter on quantized magnetic fields. By controlling the qudit dimension, we also show how to seamlessly observe the effect of different gauge-field truncations. Finally, we experimentally study the dynamics of pair creation and magnetic energy. Our results open the door for hardware-efficient quantum simulations of gauge theories with qudits in near-term quantum devices.
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