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Self-interacting dark matter delays bar growth in an isolated gas-rich galactic disk: torque-resolved numerical evidence

kang, Dong-Biao
arXiv (All) · Papers
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astrophysics-of-galaxies
We investigate how a dynamically responsive gas disk changes the influence of self-interacting dark matter (SIDM) on stellar-bar formation. In an isolated Milky-Way-mass galaxy with fixed total baryonic mass, the gas-rich collisionless (CDM) model develops a persistent bar at $1.96\,\Gyr$, whereas t
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