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Updated: May 10, 2026

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分子在魔法波长光学子中的长寿命纠

Daniel K Ruttley1,2, Tom R Hepworth1,2, Alexander Guttridge1,2

  • 1Department of Physics, Durham University, Durham, United Kingdom.

Nature
|January 15, 2025
PubMed
概括

研究人员在超冷极分子之间实现了长寿命的量子纠. 这项利用可控光学子的突破为量子技术和基础科学研究开辟了新的途径.

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相关概念视频

¹H NMR: Long-Range Coupling01:27

¹H NMR: Long-Range Coupling

The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene π orbitals.