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Real-Space Imaging of Triplon Excitations in Engineered Quantum Magnets
Robert Drost1, Shawulienu Kezilebieke2, Jose L Lado1
1Aalto University, Department of Applied Physics, 00076 Aalto, Finland.
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.
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