Nature CommunicationsUnconventional density-wave state in Ruddlesden‒Popper nickelate La4Ni3O10Yu WangDan ZhaoEnkang ZhangLixing ChenYanbing ZhouMengzhu ShiYinghao ZhuJianjun YingJun ZhaoTao Wu2026-05-14Full textDOI https://doi.org/10.1038/s41467-026-73082-4