Science & ResearchSep 3, 2026
Two sets of potential-density basis pairs for the study of radial perturbations in collisionless spherical stellar systems
The Kalnajs matrix method is a widely used framework for studying the global linear stability and possible Landau damping of collisionless stellar systems.
The Kalnajs matrix method is a widely used framework for studying the global linear stability and possible Landau damping of collisionless stellar systems. However, for radial perturbations ($l=0$) in three-dimensional spherical models with infinite boundaries, standard…
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