activity
20042021
most citedBeyond CDM: Problems, solutions, and the road ahead

530 citations · 1.9k across the 37 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

18 papers · 1 filter

astro-ph.CO2016★ 6 cited

Improved Constraints on Dark Matter Annihilation to a Line using Fermi-LAT observations of Galaxy Clusters

Douglas Quincy Adams, Lars Bergstrom, Douglas Spolyar

Galaxy clusters are dominated by dark matter, and may have a larger proportion of surviving substructure than, e.g, field galaxies. Due to the presence of galaxy clusters in relati…

astro-ph.CO2015★ 530 cited

Beyond CDM: Problems, solutions, and the road ahead

Philip Bull, Yashar Akrami, Julian Adamek +37

Despite its continued observational successes, there is a persistent (and growing) interest in extending cosmology beyond the standard model, CDM. This is motivated by a range o…

astro-ph.CO2015★ 23 cited

Fermi/LAT observations of Dwarf Galaxies highly constrain a Dark Matter Interpretation of Excess Positrons seen in AMS-02, HEAT, and PAMELA

Alejandro Lopez, Christopher Savage, Douglas Spolyar +1

It is shown that a Weakly Interacting Massive dark matter Particle (WIMP) interpretation for the positron excess observed in a variety of experiments, HEAT, PAMELA, and AMS-02, is…

astro-ph.CO2015★ 69 cited

Dark Stars: A Review

Katherine Freese, Tanja Rindler-Daller, Douglas Spolyar +1

Dark Stars are stellar objects made (almost entirely) of hydrogen and helium, but powered by the heat from Dark Matter annihilation, rather than by fusion. They are in hydrostatic…

astro-ph.CO2013★ 3 cited

Numerical Evidence for Dark Star Formation: A Comment on "Weakly Interacting Massive Particle Dark Matter and First Stars: Suppression of Fragmentation in Primordial Star Formation" by Smith et al. 2012, ApJ 761, 154

Paolo Gondolo, Katherine Freese, Douglas Spolyar +1

(abridged) This comment is intended to show that simulations by Smith et al. (S12) support the Dark Star (DS) scenario and even remove some potential obstacles. Our previous work i…

astro-ph.CO2013★ 55 cited

Topology and Dark Energy: Testing Gravity in Voids

Douglas Spolyar, Martin Sahlén, Joe Silk

Modified gravity has garnered interest as a backstop against dark matter and dark energy (DE). As one possible modification, the graviton can become massive, which introduces a new…