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Here, we devise a testable theory of competing superconducting orders that permits ultrafast switching to an opposite-parity superconducting phase in centrosymmetric crystals with strong spin-orbit coupling. Using both microscopic and phenomenological models, we show that dynamical inversion symmetry breaking with a tailored light pulse can induce odd-parity (spin triplet) order parameter oscillations in a conventional even-parity (spin singlet) superconductor, which when driven strongly can send the system to a competing minimum in its free energy landscape. Our results provide new guiding principles for engineering unconventional electronic phases using light, suggesting a fundamentally non-equilibrium route toward realizing topological superconductivity.<\/jats:p>","DOI":"10.1038\/s41467-024-45949-x","type":"journal-article","created":{"date-parts":[[2024,2,27]],"date-time":"2024-02-27T06:02:06Z","timestamp":1709013726000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Light-induced switching between singlet and triplet superconducting states"],"prefix":"10.1038","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6418-7642","authenticated-orcid":false,"given":"Steven","family":"Gassner","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6779-7136","authenticated-orcid":false,"given":"Clara S.","family":"Weber","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7580-0588","authenticated-orcid":false,"given":"Martin","family":"Claassen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,2,27]]},"reference":[{"key":"45949_CR1","doi-asserted-by":"publisher","first-page":"195125","DOI":"10.1103\/PhysRevB.78.195125","volume":"78","author":"AP Schnyder","year":"2008","unstructured":"Schnyder, A. 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