通过量子相干谱表征 Lipkin-Meshkov-Glick 激发谱
量子物理
2025-03-04 v3
摘要
激发态量子相变将量子相变概念推广至基态之外，并为理解量子系统的复杂行为提供洞见。本工作中，我们评估在多量子相干谱作为探测 Lipkin-Meshkov-Glick 模型内激发态量子相变有效工具的使用。多量子相干谱的时间依赖性与长时间平均揭示了源于量子多体系统激发谱中奇点存在的复杂动力学。
引用
@article{arxiv.2209.02510,
title = {Characterizing the Lipkin-Meshkov-Glick excited spectrum through the quantum coherence spectrum},
author = {Qian Wang and Francisco Pérez-Bernal},
journal= {arXiv preprint arXiv:2209.02510},
year = {2025}
}
备注
Corrected several typos; title has been changed; new references have been added