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We explore cosmological particle production associated with inflationary fluctuations by comparing gravitational and geometric mechanisms, within a non-minimal Yukawa-like coupling between a inflaton and spacetime curvature. We show under which circu
Externí odkaz:
http://arxiv.org/abs/2411.11130
Autor:
Luongo, Orlando, Muccino, Marco
Cosmological parameters and dark energy (DE) behavior are generally constrained assuming \textit{a priori} models. We work out a model-independent reconstruction to bound the key cosmological quantities and the DE evolution. Through the model-indepen
Externí odkaz:
http://arxiv.org/abs/2411.04901
Even though the Dark Energy Spectroscopic Instrument (DESI) mission does not exclude a dynamical dark energy evolution, the concordance paradigm, i.e., the $\Lambda$CDM model, remains statistically favored, as it depends on the fewest number of free
Externí odkaz:
http://arxiv.org/abs/2411.04878
One of the main candidates of post-quantum cryptography is lattice-based cryptography. Its cryptographic security against quantum attackers is based on the worst-case hardness of lattice problems like the shortest vector problem (SVP), which asks to
Externí odkaz:
http://arxiv.org/abs/2410.13759
Autor:
Musella, I., Leccia, S., Molinaro, R., Marconi, M., Cusano, F., Di Criscienzo, M., Fiorentino, G., Braga, V., Ripepi, V., De Somma, G., Gatto, M., Luongo, E., Sicignano, T.
An analysis of the Ultra Long Period Cepheids (ULPs) properties could significantly contribute to understanding the Hubble constant tension, e.g. the current discrepancy between determinations based on local distance indicators and those relying on c
Externí odkaz:
http://arxiv.org/abs/2410.12017
Autor:
Carloni, Youri, Luongo, Orlando
Within the geometrical trinity of gravity, we analyze scalar field dark energy models minimally and non-minimally coupled to gravity, postulating that a Yukawa-like interacting term is \emph{in form} equivalent for general relativity, teleparallel an
Externí odkaz:
http://arxiv.org/abs/2410.10935
A ternary reaction-diffusion model for early HIV infection dynamics, incorporating logistic growth of target cells, is introduced. According to in vitro and in vivo studies, random movement of target cells, infected cells, and virions and a chemotact
Externí odkaz:
http://arxiv.org/abs/2410.13889
In this letter we investigate the origin of the Oosterhoff dichotomy, considering recent discoveries related to several ancient merging events of external galaxies with the Milky Way (MW). In particular, we aim to clarify if the subdivision in Ooster
Externí odkaz:
http://arxiv.org/abs/2409.04259
A web-based tool called ADFilter was developed to process collision events using autoencoders based on a deep unsupervised neural network. The autoencoders are trained on a small fraction of either collision data or Standard Model Monte Carlo simulat
Externí odkaz:
http://arxiv.org/abs/2409.03065