For d≥3, small perturbations of homogeneous stationary states of the Hartree equation scatter linearly, at the optimal Sobolev and Schatten exponents, for any interaction potential with bounded Fourier transform.
Stability of homogeneous equilibria of the Hartree-Fock equation, for its equivalent formulation for random fields
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abstract
The Hartree-Fock equation admits homogeneous states that model infinitely many particles at equilibrium. We prove their asymptotic stability in large dimensions, under assumptions on the linearised operator. Perturbations are moreover showed to scatter to linear waves. We obtain this result for the equivalent formulation of the Hartree-Fock equation in the framework of random fields. The main novelty is to study the full Hartree-Fock equation, including for the first time the exchange term in the study of these stationary solutions.
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Scattering for the positive density Hartree equation
For d≥3, small perturbations of homogeneous stationary states of the Hartree equation scatter linearly, at the optimal Sobolev and Schatten exponents, for any interaction potential with bounded Fourier transform.