Monopole magnetohydrodynamics on a plane: Magnetosonic waves and dynamo instability

被引：0
|
作者：
Banerjee, Debarghya [1 ,2 ]
Moessner, Roderich [2 ,3 ]
Surowka, Piotr [4 ]
机构：
[1] Univ Gottingen, Inst Theoret Phys, Friedrich Hund Pl 1, D-37077 Gottingen, Germany
[2] Max Planck Inst Phys Komplexer Syst, Nothnitzer Str 38, D-01187 Dresden, Germany
[3] Wurzburg Dresden Cluster Excellence Ct Qmat, Wurzburg-Dresden Cluster Excellence ct, D-01187 Dresden, Germany
[4] Wroclaw Univ Sci & Technol, Inst Theoret Phys, PL-50370 Wroclaw, Poland
来源：
PHYSICAL REVIEW B | 2025年 / 111卷 / 16期
关键词：
ALFVEN WAVES; SOLAR ATMOSPHERE; SPIN-ICE; HALL; TURBULENCE; HYDRODYNAMICS; VISCOSITY; CASCADES; LIQUID;
D O I：
10.1103/PhysRevB.111.165104
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
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页数：11
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