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arXiv · 1312.4504

'Fast Exchange' model visualized with 3He confined in aerogel: a Fermi liquid in contact with a Ferromagnetic solid

Eddy Collin·Sebastien Triqueneaux·Yuriy M. Bunkov·Henri Godfrin
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Abstract

3He confined in aerogel in the millikelvin temperature domain exemplifies a Fermi liquid in the presence of disorder. In confined 3He systems, a solid layer of 3He atoms forms on the confining medium. This system can then be viewed as a model system for the study of the (strongly interacting) Fermi liquid in contact with a (ferromagnetic) "2D-like" adsorbed solid. This interaction, studied experimentally through NMR T2 experiments, is described in the framework of the "fast exchange" model. A complete analytical descripion of the model is given, explaining our measurements as well as related normal-state confined 3He NMR literature.

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Eddy Collin, Sebastien Triqueneaux, Yuriy M. Bunkov, Henri Godfrin. 2013-12-16. 'Fast Exchange' model visualized with 3He confined in aerogel: a Fermi liquid in contact with a Ferromagnetic solid. https://doi.org/10.1103/physrevb.80.094422

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