Abstract
This paper addresses some experimental consequences of a Ginzburg-Landau model proposed recently for the superconducting phases of UPt 3. The model assumes finite center-of-mass momentum of the Cooper pairs and has been shown to be consistent with the observed H-T-P phase diagram. Within this framework, we analyze in more detail the low-temperature time-reversal symmetry breaking phases, and determine how they are connected to the observed muon spin rotation anomalies. The results are discussed in the light of differences to other phenomenological models proposed for UPt 3 which are based on point-group representations.
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