{"paper":{"title":"Anisotropy induced vortex lattice rearrangement in CaKFe$_4$As$_4$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alex Amato, Hubertus Luetkens, Paul C. Canfield, Rustem Khasanov, Sergey L. Bud'ko, William R. Meier","submitted_at":"2019-02-06T16:50:59Z","abstract_excerpt":"The magnetic penetration depth anisotropy $\\gamma_\\lambda=\\lambda_{c}/\\lambda_{ab}$ ($\\lambda_{ab}$ and $\\lambda_{c}$ are the in-plane and the out-of-plane components of the magnetic penetration depth) in a CaKFe$_4$As$_4$ single crystal sample (the critical temperature $T_{\\rm c}\\simeq 35$ K) was studied by means of muon-spin rotation ($\\mu$SR). $\\gamma_\\lambda$ is almost temperature independent for $T\\lesssim 20$ K ($\\gamma_\\lambda\\simeq 1.9$) and it reaches $\\simeq 3.0$ by approaching $T_{\\rm c}$. The change of $\\gamma_\\lambda$ induces the corresponding rearrangement of the flux line lattic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02268","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}