New FCT funded research positions and doctoral grant
In the 5th FCT individual contest for stimulous of research, Miguel Zilhão, Guilherme Raposo and Hector Olivares obtained 6 years research positions to join Gr@v.
Cosmology
Cosmology is the study of the large scale structure of the Universe, as well as its dynamics. Our group has been involved in the study and development of cosmological models, in particular to explain the accelerated phases of the cosmological evolution, dubbed inflationary phases.
For our latest developments/activities in this area, please see the listing below.
Latest Cosmology News & Events
A waveform catalogue for Proca star collisions
The detection of gravitational waves has been one of the most exciting scientific developments of the XXIst century. These detections are theory-driven, they rely on the existence of waveform libraries, which have been constructed for binary black holes and neutron stars. Gr@v members have collaborated on the construction of the first waveform catalogue for exotic compact objects, an effort led by former Gr@v member Nicolas Sanchis Gual (now at the U. Valencia).
Webinar for Lanzhou University
C. Herdeiro was the invited speaker for the Research Center of Gravitation at Lanzhou University, China, webinar on 27/7/2022.
2022 FCT Call for R&D projects
The project "Gravitational waves, black holes, and fundamental physics" led by M. Zilhão (co-PI C.Herdeiro), fully based at Aveiro U., was one of the six Scientific Research and Technological Development Projects selected for funding in the 2022 FCT Call for R&D projects in the Physics panel. All results can be seen here.
The fate of the light-ring instability
In the paper "The fate of the light-ring instability" Gr@v members P. Cunha, C. Herdeiro and E. Radu, together with former member, currently at the U. Valencia, N. Sanchis-Gual, have unveiled the mystery of the fate of a large class of horizonless ultracompact objects, that could be potential black hole foils.
A long standing intriguing possibility is if the astrophysical black hole candidates could be some other kind of mysterious objects but without event horizons, the defining property of black holes.