Monopole magnetohydrodynamics on a plane: Magnetosonic waves and dynamo instability

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • Debarghya Banerjee - , Georg-August-Universität Göttingen, Max-Planck-Institut für Physik komplexer Systeme (Autor:in)
  • Roderich Moessner - , Max-Planck-Institut für Physik komplexer Systeme, Würzburg-Dresden Cluster of Excellence ct.qmat (Autor:in)
  • Piotr Surówka - , Wrocław University of Science and Technology (Autor:in)

Abstract

Condensed matter systems can host emergent "vacua"with particles, fields, and dimension different from that of the universe we inhabit. Motivated by the appearance of emergent gauge fields with both electric and magnetic charges, we consider the fate of electromagnetism in two dimensions in the presence of magnetic monopoles. We find that generically electromagnetic fields are damped due to resistive effects. However, we can still identify a magnetohydrodynamic regime. It exhibits magnetosonic waves which, unlike in d=3, are isotropic, to which there is a contribution from the odd viscosity coefficient present in the system. Further, we find a dynamo action, which unlike in d=3 requires compressibility of the flow.

Details

OriginalspracheEnglisch
Aufsatznummer165104
FachzeitschriftPhysical Review B
Jahrgang111
Ausgabenummer16
PublikationsstatusVeröffentlicht - 15 Apr. 2025
Peer-Review-StatusJa