Dynamical models with varying bar growth times Tg show that librations start at 54% of maximum bar strength (Qb=0.170) via proportional shifts in VR profiles.
@doi [ ] 10.1093/mnras/209.1.93, https://ui.adsabs.harvard.edu/abs/1984MNRAS.209...93S 209
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Information-theoretic analysis of TNG50 simulations finds high mutual information (0.4-0.8) between bar and spiral parameters and comparable transfer entropy (0.33-0.42) in both directions, indicating mutual co-regulation.
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Start of orbit librations and the bar growth timescale
Dynamical models with varying bar growth times Tg show that librations start at 54% of maximum bar strength (Qb=0.170) via proportional shifts in VR profiles.
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Co-evolution of bar and spiral arms in TNG50 simulations using Information Theory
Information-theoretic analysis of TNG50 simulations finds high mutual information (0.4-0.8) between bar and spiral parameters and comparable transfer entropy (0.33-0.42) in both directions, indicating mutual co-regulation.