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Quantum spin systems: Toroidal classification and geometric duality
Department of Applied Mathematics and Computer Science, Faculty of Mathematics and Statistics, University of Isfahan, Isfahan, Iran; Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden.
Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden.
Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, AlbaNova University Center, Stockholm, Sweden; Swedish e-Science Research Center (SeRC), KTH Royal Institute of Technology, Stockholm, Sweden; Wallenberg Initiative Materials Science for Sustainability (WISE), KTH Royal Institute of Technology, Stockholm, Sweden.
Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden; Wallenberg Initiative Materials Science, WISE, Uppsala University, Uppsala, Sweden.
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2024 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 110, no 14, article id L140403Article in journal (Refereed) Published
Abstract [en]

We demonstrate a toroidal classification for quantum spin systems, revealing an intrinsic geometric duality within this structure. Through our classification and duality, we reveal that various bipartite quantum features in magnon systems can manifest equivalently in both bipartite ferromagnetic and antiferromagnetic materials, based upon the availability of relevant Hamiltonian parameters. Additionally, the results highlight the antiferromagnetic regime as an ultrafast dual counterpart to the ferromagnetic regime, both exhibiting identical capabilities for quantum spintronics and technological applications. Concrete illustrations are provided, demonstrating how splitting and squeezing types of two-mode magnon quantum correlations can be realized across ferro- and antiferromagnetic regimes.
Place, publisher, year, edition, pages
American Physical Society, 2024. Vol. 110, no 14, article id L140403
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:oru:diva-117106DOI: 10.1103/PhysRevB.110.L140403ISI: 001333790300001Scopus ID: 2-s2.0-85205970530OAI: oai:DiVA.org:oru-117106DiVA, id: diva2:1909801
Funder
Swedish Research Council, 2016-05980; 2019-05304; 2019-03666; 2023-04899; 2023-04239,Knut and Alice Wallenberg Foundation, 2018.0060; 2021.0246; 2022.0108StandUp
Note

Financial support from the Swedish Research Council (Vetenskapsrådet, VR) Grants No. 2016-05980, No. 2019-05304, No. 2019-03666, No. 2023-04899, and No. 2023-04239, and the Knut and Alice Wallenberg Foundation Grants No. 2018.0060, No. 2021.0246, and No. 2022.0108 is acknowledged. The Wallenberg Initiative Materials Science for Sustainability (WISE) funded by the Knut and Alice Wallenberg Foundation is also acknowledged. O.E. and A.B. acknowledges eSSENCE and O.E. also acknowledges The European Research Council (ERC) and STandUPP.

Available from: 2024-11-01 Created: 2024-11-01 Last updated: 2024-11-01Bibliographically approved

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