Spectropolarimetric analysis of waves linked to first ionization potential

High-resolution spectropolarimetry has opened new avenues for understanding how chromospheric waves shape coronal plasma composition. All modelling efforts so far highlight wave activity, and in particular the ponderomotive force associated with Alfvénic perturbations, as a key ingredient. Over recent years, studies based on spectropolarimetric measurements in the solar chromosphere have identified magnetic perturbations associated with waves linked to regions in the corona with enhanced first ionization potential (FIP) bias. Building on this established framework, the present work explores the diagnostic potential of Stokes-V amplitude asymmetries as an alternative diagnostic tool for investigating wave behaviour relevant to compositional fractionation processes. This article is part of the Theo Murphy meeting issue 'Solar atmospheric abundances in space and time'.