284 citations · 2.3k across the 55 of their papers we have counts for
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gr-qc2025
Primordial black hole formation in matter domination
Ehsan Ebrahimian, Ali Akbar Abolhasani, Mehrdad Mirbabayi
We study Primordial Black Holes (PBHs) formed by the collapse of rare primordial fluctuations during an early period of Matter Domination. The collapse threshold strongly depends o…
gr-qc2024
A single-bubble source for gravitational waves in a cosmological phase transition
Kfir Blum, Mehrdad Mirbabayi
We show that quantum fluctuations of an expanding phase transition bubble give rise to gravitational wave (GW) emission, even when considering a single bubble, without bubble colli…
gr-qc2018★ 11 cited
The Quasinormal Modes of Quasinormal Modes
Mehrdad Mirbabayi
Modifying black hole horizon can drastically change the spectrum of quasinormal modes. But if the modification is close enough to the horizon the ringdown signal remains almost una…