Landau theory of superconducting phases in T_h crystals
S. H. Curnoe, I. A. Sergienko

TL;DR
This paper develops a Landau theory framework to analyze the sequence of superconducting phase transitions in T_h crystals, potentially explaining phenomena observed in PrOs4Sb12.
Contribution
It systematically identifies all possible phase transition sequences involving a single superconducting order parameter in T_h crystals.
Findings
All possible phase transition sequences are characterized.
The theory may explain experimental observations in PrOs4Sb12.
Provides a comprehensive Landau framework for superconducting phases.
Abstract
We consider the Landau theory of phase transitions for multiple superconducting phases in T_h crystals. All possible phase transition sequences involving a single superconducting order parameter are found. These results may be applicable to PrOs4Sb12.
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