Transport in the Heavy Fermion Superconductor UPt3

TL;DR

This paper presents theoretical analysis of transport properties in the heavy fermion superconductor UPt3, demonstrating that observed thermal conductivity and sound attenuation align with specific pairing symmetry models.

Contribution

It provides new theoretical insights linking Fermi surface data and scattering rates to pairing symmetry in UPt3, supporting the E2u representation.

Findings

Thermal conductivity and sound attenuation match E2u pairing models.

Analysis confirms the relevance of the Fermi surface data.

Results support the two-dimensional orbital pairing symmetry.

Abstract

We report new theoretical results and analysis for the transport properties of superconducting UPt3 based on the leading models for the pairing symmetry. We use Fermi surface data and the measured inelastic scattering rate to show that the low-temperature thermal conductivity and transverse sound attenuation in the A and B phase of UPt3 are in excellent agreement with pairing states belonging to the two-dimensional orbital E2u representation.