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Generalized Symplectization of Vlasov Dynamics and Application to the Vlasov–Poisson System
Ist Teil von
Archive for rational mechanics and analysis, 2019-01, Vol.231 (1), p.115-151
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2019
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
In this paper, we study a Hamiltonian structure of the Vlasov–Poisson system, first mentioned by Fröhlich et al. (Commun Math Phys 288:1023–1058,
2009
). To begin with, we give a formal guideline to derive a Hamiltonian on a subspace of complex-valued
L
2
integrable functions α on the one particle phase space
R
Z
2
d
; s.t.
f
=
α
2
is a solution of a collisionless Boltzmann equation. The only requirement is a sufficiently regular energy functional on a subspace of distribution functions
f
∈
L
1
. Secondly, we give a full well-posedness theory for the obtained system corresponding to Vlasov–Poisson in
d
≧
3
dimensions. Finally, we adapt the classical globality results (Lions and Perthame in Invent Math 105:415–430,
1991
; Pfaffelmoser in J Differ Equ 95:281–303,
1992
; Schaeffer in Commun Partial Differ Equ 16(8–9):1313–1335,
1991
) for
d
= 3 to the generalized system.