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Probing the Cosmic Web with Fast Radio Bursts. I. Scattering
Sharon Lapiner, Nir Mandelker, Paz Beniamini +1
We study the formation of multiphase gas in the post-accretion-shock regions of cosmic sheets, filaments, and the circumgalactic medium (CGM) of haloes, i.e., cosmic web objects (C…
The Non-universal Pseudo Phase-Space Density Profiles of Symphony Host Halos
Bocheng Feng, Ethan O. Nadler, S. Peng Oh +1
Cosmological N-body simulations have long suggested that the pseudo phase-space density (PPSD), , of cold dark matter haloes follows the universal relation $ρ/σ^3 \propto r^…
The Structure and Dynamics of Massive High- Cosmic-Web Filaments: Three Radial Zones in Filament Cross-Sections
Yue Samuel Lu, Nir Mandelker, S. Peng Oh +5
We analyse the internal structure and dynamics of cosmic-web filaments that connect massive high- haloes. Our analysis is based on a high-resolution AREPO cosmological simulatio…
Thermal Instabilities and Shattering in the High-Redshift WHIM: Convergence Criteria and Implications for Low-Metallicity Strong HI Absorbers
Nir Mandelker, Frank C. van den Bosch, Volker Springel +5
Using a novel suite of cosmological simulations zooming in on a Mpc-scale intergalactic sheet or "pancake" at z~3-5, we conduct an in-depth study of the thermal properties and HI c…
On the Apparent Power Law in CDM Halo Pseudo Phase Space Density Profiles
Ethan O. Nadler, S. Peng Oh, Suoqing Ji
We investigate the apparent power-law scaling of the pseudo phase space density (PPSD) in CDM halos. We study fluid collapse, using the close analogy between the gas entropy and th…
Reionization Through the Lens of Percolation Theory
Steven R. Furlanetto, S. Peng Oh
The reionization of intergalactic hydrogen has received intense theoretical scrutiny over the past two decades. Here, we approach the process formally as a percolation process and…