Stability of stationary solutions in acoustic wave turbulence.
basic_science · Level V
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- Record sourced from PubMed, PMID 41857919.
- Also identified by DOI 10.1103/j1hs-b71h.
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Abstract
We study the stability of steady-state solutions of the Wave Kinetic Equations for acoustic waves. Combining theoretical analysis and numerical simulations, we characterise the time evolution of small isotropic perturbations for both two- and three-dimensional equilibrium Rayleigh-Jeans and nonequilibrium Kolmogorov-Zakharov solutions. In particular, we show that the stability of these solutions is ensured by different mechanisms.