量子力学中信息传播及其最大速度限制
量子物理
2025-02-28 v2 数学物理
math.MP
摘要
我们重访了与少体数量子力学(fbQM)中量子信息演化相关的关键概念,并对于广泛的色散关系,证明了针对具有指数误差界限的状态和可观测量的量子信息传播最大速度的统一界限。我们的结果特别是指出,fbQM版本的李布鲁赫-罗比森不等式,这一不等式已在量子信息科学中具有广泛应用。我们提出了一种新的证明最大速度界限的方法。
关键词
引用
@article{arxiv.2409.01473,
title = {On Propagation of Information in Quantum Mechanics and Maximal Velocity Bounds},
author = {Israel Michael Sigal and Xiaoxu Wu},
journal= {arXiv preprint arXiv:2409.01473},
year = {2025}
}
备注
Published in Lett Math Phys, 2025. The new submission contains a number of revisions. Some of these were done to simplify the proofs, others are in response to the anonymous referees' remarks