365 citations · 5.2k across the 57 of their papers we have counts for
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Distinct signatures of spinning PBH domination and evaporation: doubly peaked gravitational waves, dark relics and CMB complementarity
Nilanjandev Bhaumik, Anish Ghoshal, Rajeev Kumar Jain +1
Ultra-low mass primordial black holes (PBH), which may briefly dominate the energy density of the universe but completely evaporate before the big bang nucleosynthesis (BBN), can l…
The Scalar Singlet Extension of the Standard Model: Gravitational Waves versus Baryogenesis
John Ellis, Marek Lewicki, Marco Merchand +2
We study the possible gravitational wave signal and the viability of baryogenesis arising from the electroweak phase transition in an extension of the Standard Model (SM) by a scal…
Gravitational waves from bubble collisions and fluid motion in strongly supercooled phase transitions
Marek Lewicki, Ville Vaskonen
We estimate the gravitational wave spectra generated in strongly supercooled phase transitions by bubble collisions and fluid motion. We derive analytically in the thin-wall approx…
Doubly peaked induced stochastic gravitational wave background : Testing baryogenesis from primordial black holes
Nilanjandev Bhaumik, Anish Ghoshal, Marek Lewicki
Hawking evaporation of primordial black holes (PBHs) can facilitate the generation of matter-antimatter asymmetry. We focus on ultra-low mass PBHs that briefly dominate the univers…
Bubble dynamics in fluids with N-body simulations
Marek Lewicki, Ville Vaskonen, Hardi Veermäe
We present a new approach to studies of bubble dynamics in fluids. Relying on particle-based simulations, this method is general and suitable for cases where the commonly used perf…
Cosmology with the Laser Interferometer Space Antenna
Pierre Auclair, David Bacon, Tessa Baker +177
The Laser Interferometer Space Antenna (LISA) has two scientific objectives of cosmological focus: to probe the expansion rate of the universe, and to understand stochastic gravita…