Challenges for ΛCDM: An update

L Perivolaropoulos, F Skara - New Astronomy Reviews, 2022 - Elsevier
A number of challenges to the standard Λ CDM model have been emerging during the past
few years as the accuracy of cosmological observations improves. In this review we discuss …

Small-Scale Challenges to the Λ CDM Paradigm

JS Bullock, M Boylan-Kolchin - Annual Review of Astronomy …, 2017 - annualreviews.org
The dark energy plus cold dark matter (ΛCDM) cosmological model has been a
demonstrably successful framework for predicting and explaining the large-scale structure of …

Cosmological simulations of galaxy formation

M Vogelsberger, F Marinacci, P Torrey… - Nature Reviews …, 2020 - nature.com
Over recent decades, cosmological simulations of galaxy formation have been instrumental
in advancing our understanding of structure and galaxy formation in the Universe. These …

[HTML][HTML] Observational evidence for primordial black holes: A positivist perspective

BJ Carr, S Clesse, J Garcia-Bellido, MRS Hawkins… - Physics Reports, 2024 - Elsevier
We review numerous arguments for primordial black holes (PBHs) based on observational
evidence from a variety of lensing, dynamical, accretion and gravitational-wave effects. This …

Dark matter self-interactions and small scale structure

S Tulin, HB Yu - Physics Reports, 2018 - Elsevier
We review theories of dark matter (DM) beyond the collisionless paradigm, known as self-
interacting dark matter (SIDM), and their observable implications for astrophysical structure …

Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension

S Vagnozzi - Universe, 2023 - mdpi.com
The Hubble tension has now grown to a level of significance which can no longer be
ignored and calls for a solution which, despite a huge number of attempts, has so far eluded …

US cosmic visions: new ideas in dark matter 2017: community report

M Battaglieri, A Belloni, A Chou, P Cushman… - arxiv preprint arxiv …, 2017 - arxiv.org
arxiv:1707.04591v1 [hep-ph] 14 Jul 2017 Page 1 US Cosmic Visions: New Ideas in Dark
Matter 2017 : Community Report Marco Battaglieri (SAC co-chair),1 Alberto Belloni (Coordinator),2 …

CMB-S4 science case, reference design, and project plan

K Abazajian, G Addison, P Adshead, Z Ahmed… - arxiv preprint arxiv …, 2019 - arxiv.org
CMB-S4 Science Case, Reference Design, and Project Plan Page 1 CMB-S4 Science Case,
Reference Design, and Project Plan CMB-S4 Collaboration July 9, 2019 arxiv:1907.04473v1 …

The dawn of FIMP dark matter: a review of models and constraints

N Bernal, M Heikinheimo, T Tenkanen… - … Journal of Modern …, 2017 - World Scientific
We present an overview of scenarios where the observed Dark Matter (DM) abundance
consists of Feebly Interacting Massive Particles (FIMPs), produced nonthermally by the so …

CMB-S4 science book

KN Abazajian, P Adshead, Z Ahmed, SW Allen… - arxiv preprint arxiv …, 2016 - arxiv.org
This book lays out the scientific goals to be addressed by the next-generation ground-based
cosmic microwave background experiment, CMB-S4, envisioned to consist of dedicated …