activity
20102022
most citedSeparate Universes Do Not Constrain Primordial Black Hole Formation

108 citations · 774 across the 31 of their papers we have counts for

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Showing astro-ph.COShow all

17 papers · 1 filter

astro-ph.CO2022

Testing the mean field theory of scalar field dark matter

Andrew Eberhardt, Alvaro Zamora, Michael Kopp +1

Scalar field dark matter offers an interesting alternative to the traditional WIMP dark matter picture. Astrophysical and cosmological simulations are useful to constraining the ma…

astro-ph.CO2021★ 7 cited

Nonclassicality of axion-like dark matter through gravitational self-interactions

Michael Kopp, Vasileios Fragkos, Igor Pikovski

Axion-like particles (ALPs) are promising dark matter candidates. They are typically described by a classical field, motivated by large phase space occupation numbers. Here we show…

astro-ph.CO2020★ 46 cited

Dark Matter properties through cosmic history

Stéphane Ilić, Michael Kopp, Constantinos Skordis +1

We perform the first test of dark matter (DM) stress-energy evolution through cosmic history, using cosmic microwave background measurements supplemented with baryon acoustic oscil…

astro-ph.CO2019★ 11 cited

Using large scale structure data and a halo model to constrain Generalised Dark Matter

Daniel B Thomas, Michael Kopp, Katarina Markovič

Constraints on the properties of the cosmological dark matter have previously been obtained in a model-independent fashion using the Generalised Dark Matter (GDM) framework. Here w…

astro-ph.CO2018★ 74 cited

The Dark Matter equation of state through cosmic history

Michael Kopp, Constantinos Skordis, Daniel B. Thomas +1

Cold Dark Matter (CDM) is a crucial constituent of the current concordance cosmological model. Having a vanishing equation of state (EoS), its energy density scales with the invers…

astro-ph.CO2017★ 50 cited

Solving the Vlasov equation in two spatial dimensions with the Schrödinger method

Michael Kopp, Kyriakos Vattis, Constantinos Skordis

We demonstrate that the Vlasov equation describing collisionless self-gravitating matter may be solved with the so-called Schrödinger method (ScM). With the ScM, one solves the Sch…