Publication

New GW group Publication

Implications for first-order cosmological phase transitions from the third LIGO-Virgo observing run ” by Alba Romero, Katarina Martinovic, Thomas A. Callister, et al. has been accepted for publication in Physical Review Letters.

Latest Group News

Gravitational Waves

Spain strengthens its participation in major gravitational-wave infrastructures

December 10, 2025

The Spanish Ministry of Science, Innovation and Universities has allocated new funding to Spain’s participation in major international gravitational-wave infrastructures, with the Institut de Física d’Altes Energies (IFAE) designated as the institution through which these contributions will be channelled.

Results

LIGO–Virgo–KAGRA complete their richest gravitational-wave observation run to date

November 18, 2025

The LIGO–Virgo–KAGRA (LVK) Collaboration has announced the completion of O4, the most productive gravitational-wave observation run so far, yielding an unprecedented number of candidate events and high-quality data for the scientific community.

Results

LIGO, Virgo and KAGRA observed 'second generation' black holes for the first time

October 29, 2025

LVK announced the detection of two gravitational-wave signals — designated GW241011 and GW241110 — that indicate the merger of binary black holes exhibiting unusual mass ratios and spin orientations.