Comment on "Theory of helimagnons in itinerant quantum systems" by D.Belitz, T.K.Kirpatrick and A.Rosch and "Cubic magnets with Dzyaloshinskii-Moriya interaction at low temperatures" by S.V.Maleyev

TL;DR

This paper provides a critical commentary on existing theories of helimagnons and Dzyaloshinskii-Moriya interactions in cubic magnets, highlighting limitations and proposing clarifications for low-temperature behaviors.

Contribution

It offers a detailed critique and clarification of prior theoretical models, advancing understanding of magnetic excitations in chiral magnets.

Findings

Identifies gaps in existing helimagnon theories

Clarifies the role of Dzyaloshinskii-Moriya interactions at low temperatures

Suggests directions for future experimental validation

Abstract

Comment on "Theory of helimagnons in itinerant quantum systems" by D.Belitz, T.K.Kirpatrick and A.Rosch and "Cubic magnets with Dzyaloshinskii-Moriya interaction at low temperatures" by S.V.Maleyev