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Quantum states of muons in fluorides.

Moeller, J.S. and Ceresoli, D. and Lancaster, T. and Marzari, N. and Blundell, S.J. (2013) 'Quantum states of muons in fluorides.', Physical review B., 87 (12). p. 121108.


Muon-spin relaxation (μ + SR) is a sensitive probe of magnetism, but its utility can be severely limited by the lack of knowledge of the muon implantation site and the extent to which the muon perturbs its host. We demonstrate systematically that these problems can be addressed accurately using electronic-structure calculations. We show that diamagnetic muons introduce significant short-ranged distortions in ionic insulators that would lead to systematic errors on magnetic moments determined by μ + SR, and quantify these. The F-μ -F complex formed by muons in many fluorides can be understood as an exotic molecule-in-a-crystal defect with a zero-point energy larger than that of any naturally occurring triatomic molecule.

Item Type:Article
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Publisher statement:© 2013 American Physical Society.
Date accepted:No date available
Date deposited:24 January 2014
Date of first online publication:March 2013
Date first made open access:No date available

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