electrostatic double layers 1ion-acoustic waves 1Maxwellian distribution 1nonlinear plasma dynamics 1perturbation analysis 1
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physics.plasm-ph2026
Structural Requirements for Ion-Acoustic Double Layers: A Parametric Perturbation Analysis of the Maxwellian Limit
Hamdi M. Abdelhamid, Abeer A. Mahmoud, Naoki Sato
The paper shows that ion‑acoustic double layers can form in plasmas when the electron distribution deviates from a strict Maxwellian, using two perturbation parameters to derive an…
physics.plasm-ph2025
Scattering Theory in Noncanonical Phase Space: A Drift-Kinetic Collision Operator for Weakly Collisional Plasmas
Naoki Sato, Philip J. Morrison
After developing a scattering theory for grazing collisions in general noncanonical phase spaces, we introduce a guiding center collision operator in five-dimensional phase space d…