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Phys. Complex."],"published-print":{"date-parts":[[2021,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The presence of chaotic transients in a nonlinear dynamo is investigated through numerical simulations of the 3D magnetohydrodynamic equations. By using the kinetic helicity of the flow as a control parameter, a hysteretic blowout bifurcation is conjectured to be responsible for the transition to dynamo, leading to a sudden increase in the magnetic energy of the attractor. This high-energy hydromagnetic attractor is suddenly destroyed in a boundary crisis when the helicity is decreased. Both the blowout bifurcation and the boundary crisis generate long chaotic transients that are due, respectively, to a chaotic saddle and a relative chaotic attractor.<\/jats:p>","DOI":"10.1088\/2632-072x\/abd1c6","type":"journal-article","created":{"date-parts":[[2020,12,9]],"date-time":"2020-12-09T06:19:07Z","timestamp":1607494747000},"page":"025012","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":7,"title":["Chaotic transients and hysteresis in an \u03b1\n               <sup>2<\/sup> dynamo model"],"prefix":"10.1088","volume":"2","author":[{"given":"Dalton N","family":"Oliveira","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4971-5854","authenticated-orcid":false,"given":"Erico L","family":"Rempel","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5179-4344","authenticated-orcid":false,"given":"Roman","family":"Chertovskih","sequence":"additional","affiliation":[]},{"given":"Bidya B","family":"Karak","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2021,3,10]]},"reference":[{"key":"jpcomplexabd1c6bib1","doi-asserted-by":"publisher","DOI":"10.1103\/physrevlett.101.214501","volume":"101","author":"Hof","year":"2008","journal-title":"Phys. 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