Original title: Analog quantum simulation of bosonic and anyonic models with flux-driven transmons
Isak Lyngfelt, Jorge Fernández-Pendás, Göran Johansson, Laura Garciá-Álvarez · September 2026
Classical computers struggle to simulate interacting quantum particles. To fix this, researchers can use analog quantum simulation, which directly mimics complex systems inside controllable quantum hardware. In this work, researchers designed a protocol to simulate two quantum models, known as the Bose-Hubbard and anyon-Hubbard models. They used connected grids of superconducting components called flux-tunable transmonsSuperconducting circuits whose energy levels can be adjusted by changing magnetic flux, used as artificial atoms.. By alternating the frequencies of these transmons, they drove quantum transitions to tune particle interactions and hopping for up to three bosons per site, with no limit on total particle number. Adding phases to this drive enabled the first anyon-Hubbard transmon simulation. Numerical tests confirmed that this hardware reproduces key behaviors, including particle localization and asymmetric quantum walks.
Imagine a busy kitchen where several chefs are working at separate stations, each with ingredients that sometimes stick together or repel. It's difficult to coordinate the cooking because the behavior of ingredients at one station affects the others, and the rules change based on how many are present. In this paper, the researchers use electrical circuits like these kitchen stations, and by adjusting their properties, they simulate how quantum particles interact and move in a controlled way.
This protocol lets physicists study exotic quantum particles in a controllable lab setup, bypassing the limits of computer simulations. It could help design new quantum materials by revealing how particles behave under different interaction rules.
The abstract doesn't say; it presents numerical simulations with experimentally realistic parameters but does not discuss experimental implementation or scalability.
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Analog quantum simulation of bosonic and anyonic models with flux-driven transmons — Isak Lyngfelt, Jorge Fernández-Pendás, Göran Johansson et al.
Abstract licence: CC0
Explanation generated by Synthesis from the abstract — it is not the original paper. This is a preprint, so it hasn't necessarily been peer reviewed.