发表机构
Key Laboratory of Material Simulation Methods & Software of Ministry of Education, College of Physics, Jilin University(教育部材料模拟方法与软件重点实验室,吉林大学物理学院)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
本文针对团簇领域沿用三十余年的“超原子”概念,指出其原凝胶模型已成桎梏,提出应通过观测电子运动而非电子计数来界定超原子的核心观点。
AI 中文摘要
“超原子”这一术语已在团簇领域应用逾三十年,但其诞生时的凝胶模型(jellium picture)悄然成为了一个桎梏。这篇观点文章探讨超原子究竟是什么,并提出答案不在于电子计数,而在于观测电子的运动。
英文摘要
The term "superatom" was introduced over three decades ago to describe clusters that emulate elemental atoms. The field has long been guided by the spherical jellium model, where magic numbers arise from shell closure of delocalized electrons. This Perspective argues that delocalization, not near-sphericity, is what makes a system atom-like. It shows that superatomic shell structure persists under arbitrary point-group symmetry, that superatomicity survives as a tunable quantum state across pressurized, ionized, and chemically precompressed systems, and that the symmetry rules governing superatoms are conditional, deeper than the jellium picture admits. The future of this field lies not in finding more magic numbers, but in exploiting superatomic states as artificial quantum systems at the atomic level.
Comments5 pages.Major revision: Added Ref [20] (Fan et al., Adv. Theory Simul. 2026) on superatomic hydrogen, which deepens the discussion of superatomic states under compression and extends the perspective beyond conventional metal clusters; no other changes to argument or references