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Absence of zero field muon spin relaxation induced by superconductivity in the B phase of UPt$_3$

P. Dalmas de Réotier·A. Huxley·A. Yaouanc·J. Flouquet·P. Bonville·P. Imbert·P. Pari·P. C. M. Gubbens·A. M. Mulders
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Abstract

We present muon spin relaxation measurements performed on crystals of the heavy fermion superconductor UPt$_3$. In zero applied field, contrary to a previous report, we do not observe an increase of the internal magnetic field in the lower superconducting phase (the B phase). Our result gives an experimental upper bound of the magnetic field that could be associated with the superconducting state.

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P. Dalmas de Réotier, A. Huxley, A. Yaouanc, J. Flouquet, P. Bonville, P. Imbert, P. Pari, P. C. M. Gubbens, A. M. Mulders. 1995-11-13. Absence of zero field muon spin relaxation induced by superconductivity in the B phase of UPt$_3$. https://doi.org/10.1016/0375-9601(95)00548-h

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