The emergence of Efimov states in ultracold atomic systems is expected to have a universal behaviour, but a new experimental study defies this expectation, reporting a clear deviation around a narrow Feshbach resonance.

中文翻译：

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测试Efimov物理学在广泛和狭窄的Feshbach共振中的普遍性

Efimov态在超冷原子系统中的出现有望具有普遍的行为，但是一项新的实验研究违背了这一期望，报道了在狭窄的Feshbach共振附近存在明显的偏差。