{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["8(1)"],"submitter":["Kagawa F"],"pubmed_abstract":["In the MnSi bulk chiral magnet, magnetic skyrmion strings of 17 nm in diameter appear in the form of a lattice, penetrating the sample thickness, 10-1000 μm. Although such a bundle of skyrmion strings may exhibit complex soft-matter-like dynamics when starting to move under the influence of a random pinning potential, the details remain highly elusive. Here, we show that a metastable skyrmion-string lattice is subject to topological unwinding under the application of pulsed currents of 3-5 × 10<sup>6</sup> A m<sup>-2</sup> rather than being transported, as evidenced by measurements of the topological Hall effect. The critical current density above which the topological unwinding occurs is larger for a shorter pulse width, reminiscent of the viscoelastic characteristics accompanying the pin"],"journal":["Nature communications"],"pagination":["1332"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5673897"],"repository":["biostudies-literature"],"pubmed_title":["Current-induced viscoelastic topological unwinding of metastable skyrmion strings."],"pmcid":["PMC5673897"],"pubmed_authors":["Taguchi Y","Koshibae W","Oike H","Kagawa F","Kikkawa A","Okamura Y","Nagaosa N","Tokura Y"],"additional_accession":[]},"is_claimable":false,"name":"Current-induced viscoelastic topological unwinding of metastable skyrmion strings.","description":"In the MnSi bulk chiral magnet, magnetic skyrmion strings of 17 nm in diameter appear in the form of a lattice, penetrating the sample thickness, 10-1000 μm. Although such a bundle of skyrmion strings may exhibit complex soft-matter-like dynamics when starting to move under the influence of a random pinning potential, the details remain highly elusive. Here, we show that a metastable skyrmion-string lattice is subject to topological unwinding under the application of pulsed currents of 3-5 × 10<sup>6</sup> A m<sup>-2</sup> rather than being transported, as evidenced by measurements of the topological Hall effect. The critical current density above which the topological unwinding occurs is larger for a shorter pulse width, reminiscent of the viscoelastic characteristics accompanying the pin","dates":{"release":"2017-01-01T00:00:00Z","publication":"2017 Nov","modification":"2025-04-04T21:22:55.592Z","creation":"2019-03-27T03:01:01Z"},"accession":"S-EPMC5673897","cross_references":{"pubmed":["29109474"],"doi":["10.1038/s41467-017-01353-2"]}}