MHD analysis of electromagnetic GAMs in up-down asymmetric tokamaks

We analytically investigate geodesic acoustic modes (GAMs) in tokamak plasmas with up-down asymmetric and non-circular cross-sections using magnetohydrodynamics (MHD) and a Miller-like flux surface model. Explicit expressions for GAM frequency, magnetic field perturbations, and Lagrangian displaceme...

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Bibliographic Details
Main Authors: Zhe Chen, Yixiang Li, Haijun Ren, Hao Wang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
Online Access:https://doi.org/10.1088/1741-4326/adb863
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