Summer Students 2025 Pizza Seminar

by Blau Abel (UB), José Tortosa (UB), Matteo Marrone (UB)

Wednesday Nov 5, 2025, 1:00 PM → 2:00 PM Europe/Madrid

IFAE Seminar Room (In-person)

Formation and evolution of cosmic domain walls

Blau Abel and Matteo Marrone - (Theory group, F. Rompineve and O. Pujolàs)

Since the first detection of gravitational waves in 2015, increasing experimental sensitivity has opened new possibilities for probing the stochastic gravitational wave background, a potential window into physics of the primordial Universe. Among the possible cosmological sources of such background are topological defects, particularly domain walls, which can arise during symmetry-breaking phase transitions in the early Universe.
The study focused on the theoretical and numerical study of domain wall dynamics, performing large-scale simulations on computing clusters to model their evolution and investigate relevant properties of these structures.

 

Characterization of Pixel Detectors using TCT

José Tortosa - (Pixels group, S. Grinstein)

This work studies the ideal parameters of lasers that replicate the effect of the crossing of a minimum ionizing particle through several Si-based particle detectors with different structures. To that end, it has been studied the amplitude and the charge collected using the Transient Current Technique with beta radiation and with lasers