Light-induced switching between singlet and triplet superconducting states.

Journal

Nature communications

ISSN: 2041-1723

Titre abrégé: Nat Commun

Pays: England

ID NLM: 101528555

Informations de publication

Date de publication:
27 Feb 2024

Historique:

received: 30 06 2023

accepted: 08 02 2024

medline: 28 2 2024

pubmed: 28 2 2024

entrez: 27 2 2024

Statut: epublish

Résumé

While the search for topological triplet-pairing superconductivity has remained a challenge, recent developments in optically stabilizing metastable superconducting states suggest a new route to realizing this elusive phase. 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.

Identifiants

DOI: 10.1038/s41467-024-45949-x PMID: 38413590

pubmed: 38413590

doi: 10.1038/s41467-024-45949-x

pii: 10.1038/s41467-024-45949-x

doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

Pagination

1776

Subventions

Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)

ID : RTG 1995

Informations de copyright

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