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physics.plasm-ph2025
A class of high-beta, large-aspect-ratio quasiaxisymmetric Palumbo-like configurations
Andrew Brown, Wrick Sengupta, Nikita Nikulsin +1
The space of high-beta, approximately quasiaxisymmetric, large-aspect-ratio stellarator configurations is explored using an inverse coordinate approach and a quadratic polynomial a…
math-ph2025
Gap modes in Arnold tongues and their topological origins
Andrew Brown, Hong Qin
Gap modes in a modified Mathieu equation, perturbed by a Dirac delta potential, are investigated. It is proved that the modified Mathieu equation admits stable isolated gap modes w…
physics.plasm-ph2025
Computation of Magnetohydrodynamic Equilibria with Voigt Regularization
Yi-Min Huang, Justin Kin Jun Hew, Andrew Brown +1
This work presents the first numerical investigation of using Voigt regularization as a method for obtaining magnetohydrodynamic (MHD) equilibria without the assumption of nested m…