Theoretical research on low-frequency drift Alfv\'en waves in general Tokamak equilibria

We developed kinetic models based on general fishbone-like dispersionrelations. Firstly, a general model for arbitrary magnetic configuration andion orbit width is presented. Then, by disregarding ion orbit width andapproximating the magnetic geometry as circular, we introduce a simplifiedmodel that fully incorporates circulating/trapped ion effects. Finally, byconsidering the limit of ions being well-circulating or deeply trapped, theresults directly revert to those observed in earlier theoretical studies.