Quantum Physics2025-12-041 minarXiv:2512.04637expressFalse vacuum in a ring of atomsEmptiness isn't always empty: it can hide energy, like supercooled water hides ice. Physicists call this false vacuum — a state that only needs a nudge to cascade into the true one.Yu-Xin Chao·Peiyun Ge·Zhen-Xing Hua·Chen Jia·Xiao Wang·Xinhui Liang·Zongpei Yue·Rong Lu·Meng Khoon Tey·Xiao Wang·Li YouSchwinger effectJulian SchwingerRainer WeissAdam Riesssqueezed stateQuantum FieldStandard Model👍👎☆SimplePopularAdvanced