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Universal superdiffusive modes in charged two dimensional liquids

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 نشر من قبل Egor I. Kiselev
 تاريخ النشر 2021
  مجال البحث فيزياء
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 تأليف Egor I. Kiselev




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Using a hydrodynamic approach, we show that charge diffusion in two dimensional Coulomb interacting liquids with broken momentum conservation is intrinsically anomalous. The charge relaxation is governed by an overdamped, superdiffusive plasmon mode. We demonstrate that the diffusing particles follow Levy flight trajectories, and study the hydrodynamic collective modes under the influence of magnetic fields. The latter are shown to slow down the superdiffusive process. The results are argued to be relevant to electron liquids in solids, as well as plasmas.

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