By means of numerical simulations we study the radial-orbit instability in anisotropic self-gravitating N-body systems under the effect of noise. We find that the presence of additive or multiplicative noise has a different effect on the onset of the instability, depending on the initial value of the orbital anisotropy.
Noise, friction and the radial-orbit instability in anisotropic stellar systems: stochastic N-body simulations
Di Cintio Pierfrancesco;Casetti Lapo
2022
Abstract
By means of numerical simulations we study the radial-orbit instability in anisotropic self-gravitating N-body systems under the effect of noise. We find that the presence of additive or multiplicative noise has a different effect on the onset of the instability, depending on the initial value of the orbital anisotropy.File in questo prodotto:
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noise-friction-and-the-radial-orbit-instability-in-anisotropic-stellar-systems-stochastic-n-body-simulations.pdf
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Descrizione: Noise, friction and the radial-orbit instability in anisotropic stellar systems: stochastic N–body simulations
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