Stochastic Resonance in a Thermally Driven Low-Dimensional Geodynamo Model

arXiv:2605.13867 · physics.geo-ph, astro-ph.EP · Submitted 2026-05-02 · Read on arXiv

Giuseppina Nigro, Edoardo Cascio, Giuseppe Consolini, Francesco Berrilli

physics.geo-ph, astro-ph.EP

Submitted: 2026-05-02

Comments: 11 pages, 6 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 16× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Metastability — 1× in this paper · explained in 2 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Symmetry Breaking — 1× in this paper · explained in 3 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• Spherical convective dynamos in the rapidly rotating asymptotic regime
• Mean-field concept and direct numerical simulations of rotating magnetoconvection and the geodynamo
• Approaching a realistic force balance in geodynamo simulations
• Turbulent geodynamo simulations: a leap towards Earth's core
• Effect of shear and magnetic field on the heat-transfer efficiency of convection in rotating spherical shells
• Do spherical alpha^2-dynamos oscillate?
• Oscillating \alpha^2-dynamos and the reversal phenomenon of the global geodynamo
• Asymmetric polarity reversals, bimodal field distribution, and coherence resonance in a spherically symmetric mean-field dynamo model
• Why dynamos are prone to reversals
• The chromosphere: gateway to the corona, or the purgatory of solar physics?
• On the Temporal Variability in the Magnetic Dichotomy of Late M Dwarf Stars

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