{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wang YJ"],"funding":["National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["1160"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12858863"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["17(1)"],"pubmed_abstract":["The dynamical trajectory of a dissipative Rydberg many-body system could be flipped under a microwave field driving, displaying an enhanced sensitivity. This is because the intersection of the folded hysteresis trajectories exhibits a sharp peak near the phase transition, amplifying the response to small changes in the microwave field. Here, we demonstrate an experiment of enhanced metrology through flipping the hysteresis trajectory in a cold atomic system, displaying an approach to improve sensitivity by the gap-closing points. By measuring the intersection points of hysteresis trajectories versus Rabi frequency of the microwave field, we quantify the equivalent sensitivity to be 1.6(5) nV cm<sup>-1</sup>Hz<sup>-1/2</sup>. The measurement is also dependent on the interaction time, optica"],"journal":["Nature communications"],"pubmed_title":["Quantum enhanced metrology based on flipping trajectory of cold Rydberg gases."],"pmcid":["PMC12858863"],"funding_grant_id":["62435018","T2495253"],"pubmed_authors":["Ding DS","Shao SY","Zhang J","Zhang LH","Zhang ZY","Ma Y","Li Q","Zhu DY","Wang YJ","Yin YM","Liu X","Guo GC","Shi BS","Wang QF","Yu C","Chen HC","Han TY","Liu B","Fang QQ","Nan JD"],"additional_accession":[]},"is_claimable":false,"name":"Quantum enhanced metrology based on flipping trajectory of cold Rydberg gases.","description":"The dynamical trajectory of a dissipative Rydberg many-body system could be flipped under a microwave field driving, displaying an enhanced sensitivity. This is because the intersection of the folded hysteresis trajectories exhibits a sharp peak near the phase transition, amplifying the response to small changes in the microwave field. Here, we demonstrate an experiment of enhanced metrology through flipping the hysteresis trajectory in a cold atomic system, displaying an approach to improve sensitivity by the gap-closing points. By measuring the intersection points of hysteresis trajectories versus Rabi frequency of the microwave field, we quantify the equivalent sensitivity to be 1.6(5) nV cm<sup>-1</sup>Hz<sup>-1/2</sup>. The measurement is also dependent on the interaction time, optica","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Jan","modification":"2026-06-17T04:52:58.783Z","creation":"2026-06-17T03:07:57.039Z"},"accession":"S-EPMC12858863","cross_references":{"pubmed":["41526344"],"doi":["10.1038/s41467-025-67921-z"]}}