Detecting chaotic and ordered motion in barred galaxies
T. Manos, E. Athanassoula
TL;DR
This paper applies the SALI method to 3D barred galaxy models to distinguish between chaotic and ordered stellar motions, providing insights into galactic dynamics.
Contribution
It introduces the use of the SALI method for analyzing chaos in 3D barred galaxy potentials, highlighting its effectiveness.
Findings
SALI effectively detects chaos in galaxy models
Chaotic regions vary with model parameters
Ordered motion persists in certain parameter regimes
Abstract
A very important issue in the area of galactic dynamics is the detection of chaotic and ordered motion inside galaxies. In order to achieve this target, we use the Smaller ALignment Index (SALI) method, which is a very suitable tool for this kind of problems. Here, we apply this index to 3D barred galaxy potentials and we present some results on the chaotic behavior of the model when its main parameters vary.
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Taxonomy
TopicsGalaxies: Formation, Evolution, Phenomena · Scientific Research and Discoveries · Quantum chaos and dynamical systems