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physics.plasm-ph2026
Collisional whistler instability and electron temperature staircase in inhomogeneous plasma
N. A. Lopez, A. F. A. Bott, A. A. Schekochihin
High-beta magnetized plasmas often exhibit anomalously structured temperature profiles, as seen from galaxy cluster observations and recent experiments. It is well known that when…
physics.plasm-ph2024
Beam focusing and consequences for Doppler Backscattering measurements
Juan Ruiz Ruiz, Felix I. Parra, Valerian H. Hall-Chen +5
The phenomenon of beam focusing of microwaves in a plasma near a turning-point caustic is discussed in the context of the analytical solution to the Gaussian beam-tracing equations…
physics.plasm-ph2024
Regarding the extension of metaplectic geometrical optics to modelling evanescent waves in ray-tracing codes
N. A. Lopez, R. Højlund, M. G. Senstius
Metaplectic geometrical optics (MGO) is a recently developed ray-tracing framework to accurately compute the wavefield behavior near a caustic (turning point or focal point), where…