{"paper":{"title":"Aharonov-Casher effect in Bi$_{\\rm 2}$Se$_{\\rm 3}$ square-ring interferometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Changli Yang, Fanming Qu, Fan Yang, Guangtong Liu, Huaixin Yang, Jiangbo Lu, Jie Fan, Jie Shen, Jun Chen, Li Lu, Yongqing Li, Yuanjun Song, Yue Ding, Zhongqing Ji","submitted_at":"2011-03-31T07:46:49Z","abstract_excerpt":"Electrical control of spin dynamics in Bi$_{\\rm 2}$Se$_{\\rm 3}$ was investigated in ring-type interferometers. Aharonov-Bohm and Altshuler-Aronov-Spivak resistance oscillations against magnetic field, and Aharorov-Casher resistance oscillations against gate voltage were observed in the presence of a Berry phase of $\\pi$. A very large tunability of spin precession angle by gate voltage has been obtained, indicating that Bi$_{\\rm 2}$Se$_{\\rm 3}$-related materials with strong spin-orbit coupling are promising candidates for constructing novel spintronic devices."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.6115","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"}