Solitary Magnetic Bubbles
Andrei Gruzinov (NYU)

TL;DR
This paper demonstrates the stability and attractor nature of solitary magnetic bubbles in high-conductivity plasmas, proving their existence and suggesting they could naturally occur in plasma environments.
Contribution
It provides a numerical demonstration of stability and proves the existence of non-singular axisymmetric magnetic equilibria, highlighting their potential natural occurrence.
Findings
Magnetic bubbles are stable and attractor solutions.
Existence of compact, non-singular axisymmetric magnetic equilibria is established.
Magnetic bubbles are likely to be found in natural plasma settings.
Abstract
Stability and attractor property of free-floating axisymmetric magnetic bubbles in high-conductivity plasmas is (tentatively, numerically) demonstrated. The existence of compact non-singular axisymmetric magnetic equilibria is proved. Being attractors, the solitary magnetic bubbles should exist in nature.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Astro and Planetary Science · Geomagnetism and Paleomagnetism Studies
