13 citations · 18 across the 7 of their papers we have counts for
8 papers
A Freeze-In Interpretation of the LZ High-Energy Nuclear Recoil Event
D. Cabo-Almeida, F. Costa, D. Feiteira +1
The recent LUX-ZEPLIN (LZ) experiment analysis reported a high energy nuclear recoil candidate at , motivating interpretations in terms of inelastic dark…
Warm fermionic dark matter from freeze-in at stronger coupling
Duarte Feiteira, Vinícius Oliveira
We study warm fermionic dark matter (DM) in the framework of freeze-in at stronger coupling, in the minimal Higgs portal scenario. The reheating temperature is taken to be low, so…
Recursive Penrose processes in electrically charged black hole spacetimes: Backreaction and energy extraction
Duarte Feiteira, José P. S. Lemos, Oleg B. Zaslavskii
We study a recursive Penrose process and the energy extraction for the decay of electrically charged particles in a Reissner-Nordström black hole spacetime with anti-de Sitter (AdS…
Warm dark matter from freeze-in at stronger coupling
Duarte Feiteira, Oleg Lebedev, Vinícius Oliveira
We study warm Higgs portal dark matter (DM) in the framework of freeze-in at stronger coupling. This scenario assumes that the Standard Model thermal bath temperature has always be…
Quark, lepton and right-handed neutrino production via inflation
Duarte Feiteira, Fotis Koutroulis, Oleg Lebedev +1
Inflationary expansion of space-time provides us with an efficient particle production mechanism in the Early Universe. The fermion production efficiency depends critically on the…
Cosmological gravitational particle production: Starobinsky vs Bogolyubov, uncertainties, and issues
Duarte Feiteira, Oleg Lebedev
We study production of free and feebly interacting scalars during inflation using the Bogolyubov coefficient and Starobinsky stochastic approaches. While the two methods agree in t…
Penrose and super-Penrose energy extraction from a Reissner-Nordström black hole spacetime with a cosmological constant through the BSW mechanism: Full story
Duarte Feiteira, José P. S. Lemos, Oleg B. Zaslavskii
The Penrose process, a process that transfers energy from a black hole to infinity, together with the BSW mechanism, which uses collisions of ingoing particles at the event horizon…
Penrose process in Reissner-Nordström-AdS black hole spacetimes: Black hole energy factories and black hole bombs
Duarte Feiteira, José P. S. Lemos, Oleg B. Zaslavskii
The Penrose process for the decay of electrically charged particles in a Reissner-Nordström-anti-de Sitter black hole spacetime is studied. To extract large quantities of energy on…