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Optimal coupling of HoW10 molecular magnets to superconducting circuits near spin clock transitions

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Optimal coupling of HoW10 molecular magnets to superconducting circuits near spin clock transitions

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dc.contributor.author Coronado Miralles, Eugenio
dc.contributor.author Gaita Ariño, Alejandro
dc.contributor.author Duan, Yan
dc.date.accessioned 2023-11-23T14:25:36Z
dc.date.available 2023-11-23T14:25:36Z
dc.date.issued 2023
dc.identifier.uri https://hdl.handle.net/10550/91382
dc.description.abstract A central goal in quantum technologies is to maximize GT2, where G stands for the coupling of a qubit to control and readout signals and T2 is the qubit's coherence time. This is challenging, as increasing G (e.g., by coupling the qubit more strongly to external stimuli) often leads to deleterious effects on T2. Here, we study the coupling of pure and magnetically diluted crystals of HoW10 magnetic clusters to microwave superconducting coplanar waveguides. Absorption lines give a broadband picture of the magnetic energy level scheme and, in particular, confirm the existence of level anticrossings at equidistant magnetic fields determined by the combination of crystal field and hyperfine interactions. Such 'spin clock transitions' are known to shield the electronic spins against magnetic field fluctuations. The analysis of the microwave transmission shows that the spin-photon coupling also becomes maximum at these transitions. The results show that engineering spin-clock states of molecular systems offers a promising strategy to combine sizable spin-photon interactions with a sufficient isolation from unwanted magnetic noise sources.
dc.language.iso eng
dc.relation.ispartof Physical Review Applied, 2023, vol. 20, num. 4
dc.source Coronado Miralles, Eugenio, Gaita Ariño, Alejandro, Duan, Yan (2023). Optimal coupling of HoW10 molecular magnets to superconducting circuits near spin clock transitions. Physical Review Applied, 20 4. https://doi.org/10.1103/PhysRevApplied.20.044070
dc.subject química
dc.title Optimal coupling of HoW10 molecular magnets to superconducting circuits near spin clock transitions
dc.type journal article
dc.date.updated 2023-11-23T14:25:37Z
dc.identifier.doi 10.1103/PhysRevApplied.20.044070
dc.identifier.idgrec 161839
dc.rights.accessRights open access
dc.identifier.url https://link.aps.org/doi/10.1103/PhysRevApplied.20.044070

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