使用 256 量子比特实现受扰磁性体的全程量子仿真
量子物理
2026-04-29 v3 材料科学
摘要
类比量子模拟器仍主要基于模型哈密顿量进行基准测试，而非真实材料。本文利用 256 量子比特的 Rydberg 模拟器实现了受扰三角晶格磁性体 TmMgGaO 的有效哈密顿量。模拟的磁化曲线与单晶 susceptibility 测量定量一致，两个平台一致确定了反磁性相转变。快照分辨分析确认量子涨落而非无序主导中间 paramagnetic 相。建立起这种对应关系后，我们访问随突变 quench 后的非平衡动力学，这一尺度处于皮秒材料时间尺度，纠缠增长使问题超出经典可达范围。模拟器揭示了局部可观测量的热化，表明类比量子仿真能够再现并拓展真实材料的物理。
关键词
引用
@article{arxiv.2603.20372,
title = {One-to-one quantum simulation of a frustrated magnet with 256 qubits},
author = {Lucas Leclerc and Sergi Julià-Farré and Gabriel Silva Freitas and Guillaume Villaret and Boris Albrecht and Lucas Béguin and Lilian Bourachot and Clémence Briosne-Frejaville and Dorian Claveau and Antoine Cornillot and Julius de Hond and Djibril Diallo and Clément Dupays and Robin Dupont and Thomas Eritzpokhoff and Emmanuel Gottlob and Loïc Henriet and Michael Kaicher and Lucas Lassablière and Arvid Lindberg and Yohann Machu and Hadriel Mamann and Thomas Pansiot and Julien Ripoll and Eun Sang Choi and Adrien Signoles and Joseph Vovrosh and Bruno Ximenez and Vivien Zapf and Shengzhi Zhang and Haidong Zhou and Minseong Lee and Tiagos Mendes-Santos and Constantin Dalyac and Antoine Browaeys and Alexandre Dauphin},
journal= {arXiv preprint arXiv:2603.20372},
year = {2026}
}
备注
20 pages, 15 figures