Abstract:The temperature effect on the linear instability and the splitting process of a doubly quantized vortex is studied. Using the linear perturbation theory to calculate out the quasi-normal modes of the doubly quantized vortex, we find that the imaginary part of the most unstable mode increases with the temperature till some turning temperature, after which the imaginary part of the most unstable mode decreases with the temperature. On the other hand, by the fully nonlinear numerical simulations, we also examine … Show more
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