The Sub-mK Transition of CeCu6 in a New Light View Full Text


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Article Info

DATE

2019-03-16

AUTHORS

Erwin Schuberth

ABSTRACT

Following our recent discovery of superconductivity in YbRh2Si2 at 2 mK, nearly coinciding with a hybrid electronic–nuclear magnetic moment ordering (Schuberth et al. in Science 351:485, 2016), we re-analyzed previous data on the magnetic susceptibility of CeCu6 at ultra-low temperatures. We found that there is a direct analogy between the magnetic susceptibilities of both compounds which raises the question if there is the same hybrid transition in CeCu6, possibly also followed by superconductivity. Data taken some 20 years ago by groups in Garching and at Cornell University revealed an antiferromagnetic transition around 3 mK and further anomalies around 0.5 mK, very similar to the case of YbRh2Si2. If the above speculation is correct, it would suggest that superconductivity is a general phenomenon, occurring even in a heavy-fermion compound like CeCu6 which for a long time was considered as “non-ordering.” More... »

PAGES

1-5

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10909-019-02177-8

DOI

http://dx.doi.org/10.1007/s10909-019-02177-8

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1112829747


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