Comment on "Optical torque on small chiral particles in generic optical fields "

TL;DR

This paper critiques and clarifies inaccuracies in a previous study on optical torque exerted on small chiral particles by generic optical fields, emphasizing correct theoretical understanding.

Contribution

It provides a detailed correction and clarification of the theoretical errors in the prior work by Chen et al. regarding optical torque on dipolar chiral particles.

Findings

Identifies specific inaccuracies in Chen et al.'s analysis.

Clarifies the correct theoretical framework for optical torque on dipolar chiral particles.

Highlights the importance of accurate modeling in optical torque calculations.

Abstract

We comment on mistakes and inaccuracies of a paper by Chen et al. concerning the optical torque from generic optical fields on dipolar chiral particles, i.e. on those whose scattering is fully described by the first electric, magnetic and magnetoelectric Mie coefficients.