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

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.

4 pages, REVTeX 3.0, 2 PostScript figures

References in corpus (2)

• The Order Parameter for the Superconducting Phases of UPt${}_3$
• Staggered Superconductivity in UPt${}_3$: A New Phenomenological Approach

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