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A New Mechanism for Maunder-like Solar Minima: Phase Synchronization Dynamics in a Simple Nonlinear Oscillator of Magnetohydrodynamic Rossby Waves

  • Authors: Breno Raphaldini, Everton Medeiros, Carlos F. M. Raupp, and Andre Seiji Teruya

2020 The Astrophysical Journal Letters 890 L13.

  • Provider: AAS Journals

Caption: Figure 1.

Time evolution of the energies in each mode ﹩{E}_{j}={A}_{j}{A}_{j}^{* }﹩, j = 1, 2, 3, of Triad a, for the forced/dissipative case (left panel) and for the conservative case (right panel), over a 10,000 year period. One observes long-term modulations with timescales of several hundred/thousand years on the amplitude peaks of the main ∼10 yr cycle in the case with forcing and dissipation. One notices in this case the occurrence of periods of very low energy of the three wave modes, whereas for conservative case (right panel) one does not observe such periods.

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