Temperature Dependence of the Magnetic Penetration Depth and Nodal Gap Structure of UPt${}_3$ from Small Angle Neutron Scattering

W. J. Gannon, W. P. Halperin, C. Rastovski +7

Spanning a broad range of physical systems, complex symmetry breaking is widely recognized as a hallmark of competing interactions. This is exemplified in superfluid ${}^3$He which h…