Dark Matter Deficient Galaxies Produced via High-velocity Galaxy Collisions in High-resolution Numerical Simulations

@article{Shin2020DarkMD,
  title={Dark Matter Deficient Galaxies Produced via High-velocity Galaxy Collisions in High-resolution Numerical Simulations},
  author={Eunjee Shin and Mi Ok Jung and Go Eun Kwon and Ji-hoon Kim and Joohyun Lee and Yongseok Jo and Boon Kiat Oh},
  journal={arXiv: Astrophysics of Galaxies},
  year={2020}
}
The recent discovery of diffuse dwarf galaxies that are deficient in dark matter appears to challenge the current paradigm of structure formation in our Universe. We describe the numerical experiments to determine if the so-called dark matter deficient galaxies (DMDGs) could be produced when two gas-rich, dwarf-sized galaxies collide with a high relative velocity of $\sim 300\,{\rm kms^{-1}}$. Using idealized high-resolution simulations with both mesh-based and particle-based gravito… 
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