Society for Industrial and Applied Mathematics, SIAM Journal on Mathematical Analysis, 2(34), p. 478-494
DOI: 10.1137/s0036141001398435
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We prove the nonlinear stability in L, with 1 p 2, of particular steady solutionsof the Vlasov-Poisson system for charged particles in the whole space IR. Our main tool is afunctional associated to the relative entropy or Casimir-energy functional.