The Pairing Symmetry in the Ferromagnetic Superconductor $UGe_{2}$

TL;DR

This paper analyzes the pairing symmetry in the ferromagnetic superconductor UGe2, emphasizing the importance of transformation properties of the pairing function to understand the superconducting state.

Contribution

It provides a symmetry-based analysis of the pairing state in UGe2 without assuming specific pairing amplitude forms.

Findings

Identifies possible pairing symmetries based on transformation properties

Clarifies the relationship between ferromagnetism and superconductivity in UGe2

Offers a framework for analyzing pairing symmetry in ferromagnetic superconductors

Abstract

We give an extensive treatment of the pairing symmetry in the ferromagnetic superconductor $UGe_{2}$. We show that one can draw important conclusions concerning the superconducting state, considering only the transformation properties of the pairing function, without assumptions about the form of the pairing amplitudes.