3 papers
hep-ph2025
Cosmic domain walls on a lattice: illusive effects of initial conditions
I. Dankovsky, S. Ramazanov, E. Babichev +2
Evolution of cosmic domain walls (DWs) settles to the scaling solution, which is often assumed to be independent of initial conditions. However, lattice simulations performed in th…
astro-ph.HE2025
Search for a photon peak from keV-scale dark matter annihilation with NuSTAR: Constraints on after 11 years of observations
E. I. Zakharov, V. V. Barinov, D. S. Gorbunov +2
We report new constraints on the velocity-independent annihilation cross section of keV-scale dark matter particles based on 11 years of observations with the…
hep-ph2025
Biased domain walls: faster annihilation, weaker gravitational waves
E. Babichev, I. Dankovsky, D. Gorbunov +2
We study the evolution of domain wall networks and their phenomenological implications in a model of a real scalar , where a -symmetry is slightly broken by a potential bia…