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Secular diffusion in discrete self-gravitating tepid discs III. Resonant thickening in the tightly wound limit
Jean-Baptiste Fouvry, Christophe Pichon, Pierre-Henri Chavanis
The secular thickening of a discrete self-gravitating galactic disc is investigated using the inhomogeneous multi-component Balescu-Lenard equation. The thick WKB limit for the dif…
Resonant thickening of self-gravitating discs: imposed or self-induced orbital diffusion in the tightly wound limit
Jean-Baptiste Fouvry, Christophe Pichon, Pierre-Henri Chavanis +1
The secular thickening of a self-gravitating stellar galactic disc is investigated using the dressed collisionless Fokker-Planck equation and the inhomogeneous multicomponent Bales…
Functional integral approach to the kinetic theory of inhomogeneous systems
Jean-Baptiste Fouvry, Pierre-Henri Chavanis, Christophe Pichon
We present a derivation of the kinetic equation describing the secular evolution of spatially inhomogeneous systems with long-range interactions, the so-called inhomogeneous Landau…