Real-Space Imaging of Triplon Excitations in Engineered Quantum Magnets
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2023-08-25
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en
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6
1-6
1-6
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Physical Review Letters, Volume 131, issue 8
Abstract
Quantum magnets provide a powerful platform to explore complex quantum many-body phenomena. One example is triplon excitations, exotic many-body modes emerging from propagating singlet-triplet transitions. We engineer a minimal quantum magnet from organic molecules and demonstrate the emergence of dispersive triplon modes in one- and two-dimensional assemblies probed with scanning tunneling microscopy and spectroscopy. Our results provide the first demonstration of dispersive triplon excitations from a real-space measurement.Description
Funding Information: This research made use of the Aalto Nanomicroscopy Center (Aalto NMC) facilities and was supported by the European Research Council (ERC-2021-StG No. 101039500 “Tailoring Quantum Matter on the Flatland” and ERC-2017-AdG No. 788185 “Artificial Designer Materials”) and Academy of Finland (Academy Professor Funding No. 318995 and No. 320555, Academy Research Fellow No. 331342, No. 336243, No. 338478, No. 346654, No. 347266, and No. 353839). We acknowledge the computational resources provided by the Aalto Science-IT project. We thank Teemu Ojanen, Yuqi Wang, and Markus Ternes for fruitful discussions during this project. | openaire: EC/H2020/788185/EU//E-DESIGN
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Drost, R, Kezilebieke, S, Lado, J L & Liljeroth, P 2023, ' Real-Space Imaging of Triplon Excitations in Engineered Quantum Magnets ', Physical Review Letters, vol. 131, no. 8, 086701, pp. 1-6 . https://doi.org/10.1103/PhysRevLett.131.086701