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Star Formation Isochrone Surfaces: Clues on Star Formation Quenching in Dense Environments
M. A. Aragon-Calvo, Mark C. Neyrinck, Joseph Silk
The star formation history of galaxies is a complex process usually considered to be stochastic in nature, for which we can only give average descriptions such as the color-density…
Unraveling the nature of Gravity through our clumpy Universe
Shant Baghram, Saeed Tavasoli, Farhang Habibi +2
We propose a new probe to test the nature of gravity at various redshifts through large-scale cosmological observations. We use our void catalog, extracted from the Sloan Digital S…
Warmth Elevating the Depths: Shallower Voids with Warm Dark Matter
Lin F. Yang, Mark C. Neyrinck, Miguel A. Aragon-Calvo +2
Warm dark matter (WDM) has been proposed as an alternative to cold dark matter (CDM), to resolve issues such as the apparent lack of satellites around the Milky Way. Even if WDM is…
Effect of primordial non-Gaussianities on the far-UV luminosity function of high-redshift galaxies: implications for cosmic reionization
Jacopo Chevallard, Joseph Silk, Takahiro Nishimichi +3
[Abridged] Understanding how the intergalactic medium (IGM) was reionized at z > 6 is one of the big challenges of current high redshift astronomy. It requires modelling the collap…
Glow in the Dark Matter: Observing galactic halos with scattered light
Jonathan H. Davis, Joseph Silk
We consider the observation of diffuse halos of light around the discs of spiral galaxies, as a probe of the interaction cross section between Dark Matter and photons. Using the ga…
Formation of Dark Matter Torii Around Supermassive Black Holes Via The Eccentric Kozai-Lidov Mechanism
Smadar Naoz, Joseph Silk
We explore the effects of long term secular perturbations on the distribution of dark matter particles around Supermassive Black Hole (BH) binaries. We show that in the hierarchica…