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  • Atreya, Abhishek; Bhatt, Jitesh R.; Mishra, Arvind (Cornell University Library, 2017-09)
    Self interacting dark matter (SIDM) provides us with a consistent solution to certain astrophysical observations in conflict with collision-less cold DM paradigm. In this work we estimate the shear viscosity (η) and bulk ...
  • Atreya, Abhishek; Bhatt, Jitesh R.; Mishra, Arvind Kumar (Cornell University Library, 2018-10)
    The viscosity of dark matter in cosmological models may cause an accelerated expansion and when this effect is sufficiently large, it can explain the dark energy. In this work, attributing the origin of viscosity to ...

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