Bicircular light tuning of magnetic symmetry and topology in Dirac semimetal Cd3As2 Trevisan, Thaís V. Villar Arribi, Pablo Heinonen, Olle Slager, Robert-Jan Orth, Peter
dc.contributor.department Physics and Astronomy
dc.contributor.department Ames National Laboratory 2022-04-23T00:43:26Z 2022-04-23T00:43:26Z 2022-02-08
dc.description.abstract We show that bicircular light (BCL) is a versatile way to control magnetic symmetries and topology in materials. The electric field of BCL, which is a superposition of two circularly polarized light waves with frequencies that are integer multiples of each other, traces out a rose pattern in the polarization plane that can be chosen to break selective symmetries, including spatial inversion. Using a realistic low-energy model, we theoretically demonstrate that the three-dimensional Dirac semimetal Cd3As2 is a promising platform for BCL Floquet engineering. Without strain, BCL irradiation induces a transition to a noncentrosymmetric magnetic Weyl semimetal phase with tunable energy separation between the Weyl nodes. In the presence of strain, we predict the emergence of a magnetic topological crystalline insulator with exotic unpinned surface Dirac states that are protected by a combination of twofold rotation and time reversal ð20Þ and can be controlled by light.
dc.description.comments This article is published as Trevisan, Thaís V., Pablo Villar Arribi, Olle Heinonen, Robert-Jan Slager, and Peter P. Orth. "Bicircular light tuning of magnetic symmetry and topology in Dirac semimetal Cd3As2." Physical Review Letters 128, no. 6 (2022): 066602. DOI: 10.1103/PhysRevLett.128.066602. Copyright 2022 American Physical Society. Posted with permission. DOE Contract Number(s): AC02-07CH11358; 842901; AC02-06CH11357
dc.identifier.other 1875276
dc.identifier.other 1909465
dc.language.iso en
dc.publisher Iowa State University Digital Repository, Ames IA (United States)
dc.relation.ispartofseries IS-J 10713
dc.source.uri *
dc.title Bicircular light tuning of magnetic symmetry and topology in Dirac semimetal Cd3As2
dc.type Article
dspace.entity.type Publication
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relation.isOrgUnitOfPublication 25913818-6714-4be5-89a6-f70c8facdf7e
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