An SO(5) model of p-wave superconductivity and ferromagnetism
Shuichi Murakami, Naoto Nagaosa (Dept.Appl.Phys., Univ.of Tokyo),, Manfred Sigrist (YITP, Kyoto Univ.)
TL;DR
This paper presents an SO(5) theoretical framework unifying p-wave superconductivity and ferromagnetism, analyzing collective modes via a non-linear sigma model, and highlighting the model's potential to describe these phenomena within a single multiplet.
Contribution
It introduces an SO(5) model that unifies p-wave superconductivity and ferromagnetism into a 10-dimensional multiplet, providing a new theoretical perspective.
Findings
Unified description of p-wave superconductivity and ferromagnetism.
Analysis of collective modes using a non-linear sigma model.
Identification of a 10-dimensional multiplet structure.
Abstract
We study an SO(5) model unifying p-wave superconductivity and ferromagnetism. If only a single p-wave pairing wavefunction is involved, the p-wave superconducting (pSC) and ferromagnetic (F) states can be unified to form 10-dimensional multiplet of SO(5). The collective modes in pSC and F states are studied from this viewpoint in terms of a non-linear sigma model.
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