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gr-qc2026
Impact of the axion-like self-interactions in gravitational atoms for LISA
Samuel Gómez Gómez, Xisco Jimenez Forteza, Carlos Palenzuela Luque
Ultralight bosons with self-interactions, such as axion-like particles, can form astrophysical Bose--Einstein condensates around stars or compact objects, often referred to as grav…
gr-qc2026
Shaping black hole resonances I. Black hole ringdown as a spectral filtering process
Alejandro Svyatkovskyy Kholyavka, Jose Antonio León Vega, Samuel Gómez Gómez +2
The ringdown of a perturbed black hole (BH) can be described as a superposition of quasinormal modes (QNMs), whose frequencies are determined by the spacetime geometry while their…