Electron and nuclear spin dynamics in antiferromagnetic molecular rings

Meier, F. and Loss, D.. (2001) Electron and nuclear spin dynamics in antiferromagnetic molecular rings. Physical review letters, Vol. 86, H. 23. pp. 5373-5376.

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Official URL: http://edoc.unibas.ch/dok/A5254726

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We study theoretically the spin dynamics of antiferromagnetic molecular rings, such as the ferric wheel Fe-10. For a single nuclear or impurity spin coupled to one of the electron spins of the ring,we calculate nuclear and electronic spin correlation functions and show that nuclear magnetic resonance (NMR) and electron spin resonance (ESR) techniques can be used to detect coherent tunneling of the Neel vector in these rings. The location of the NMR/ESR resonances gives the tunnel splitting and its linewidth an upper bound on the decoherence rate of the electron spin dynamics. We illustrate the experimental feasibility of our proposal with estimates for Fe-10 molecules.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:53

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