Experimental measurement of the isolated magnetic susceptibility

Billington, D., Paulsen, C., Lhotel, E., Cannon, J., Riordan, E., Salman, M., Klemencic, G. ORCID: https://orcid.org/0000-0002-2125-9754, Cafolla-Ward, C., Prabhakaran, D., Giblin, S. R. ORCID: https://orcid.org/0000-0003-1876-8619 and Bramwell, S. T. 2021. Experimental measurement of the isolated magnetic susceptibility. Physical Review B 104 (1) , 014418. 10.1103/PhysRevB.104.014418

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Abstract

The isolated susceptibility χI may be defined as a (non-thermodynamic) average over the canonical ensemble, but while it has often been discussed in the literature, it has not been clearly measured. Here, we demonstrate an unambiguous measurement of χI at avoided nuclear-electronic level crossings in a dilute spin ice system, containing well-separated holmium ions. We show that χI quantifies the superposition of quasi-classical spin states at these points, and is a direct measure of state concurrence and populations.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Advanced Research Computing @ Cardiff (ARCCA) Physics and Astronomy
Publisher:	American Physical Society
ISSN:	2469-9950
Date of First Compliant Deposit:	26 July 2021
Date of Acceptance:	1 June 2021
Last Modified:	13 Jun 2024 15:16
URI:	https://orca.cardiff.ac.uk/id/eprint/142905

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