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Electromagnetic emission from axionic boson star collisions
Nicolas Sanchis-Gual, Miguel Zilhão, Vitor Cardoso
We explore the dynamics of boson stars in the presence of axionic couplings through nonlinear evolutions of Einstein's field equations. We show that, for large axionic couplings, i…
Parasitic black holes: the swallowing of a fuzzy dark matter soliton
Vitor Cardoso, Taishi Ikeda, Rodrigo Vicente +1
Fuzzy dark matter is an exciting alternative to the standard cold dark matter paradigm, reproducing its large scale predictions, while solving most of the existing tension with sma…
Kicks in charged black hole binaries
Raimon Luna, Gabriele Bozzola, Vitor Cardoso +2
We compute the emission of linear momentum (kicks) by both gravitational and electromagnetic radiation in fully general-relativistic numerical evolutions of quasi-circular charged…
Piercing of a boson star by a black hole
Vitor Cardoso, Taishi Ikeda, Zhen Zhong +1
New light fundamental fields are natural candidates for all or a fraction of dark matter. Self-gravitating structures of such fields might be common objects in the universe, and co…
New Horizons for Fundamental Physics with LISA
K. G. Arun, Enis Belgacem, Robert Benkel +138
The Laser Interferometer Space Antenna (LISA) has the potential to reveal wonders about the fundamental theory of nature at play in the extreme gravity regime, where the gravitatio…
Holographic Bubbles with Jecco: Expanding, Collapsing and Critical
Yago Bea, Jorge Casalderrey-Solana, Thanasis Giannakopoulos +4
Cosmological phase transitions can proceed via the nucleation of bubbles that subsequently expand and collide. The resulting gravitational wave spectrum depends crucially on the pr…