3 papers
astro-ph.CO2025
Cuscuton-like contribution to dark energy evolution
D. Bazeia, J. D. Dantas, S. Santos da Costa
This work deals with the presence of the cuscuton term in the otherwise standard dark energy evolution under the usual FLRW background. We disclose a first-order framework similar…
astro-ph.CO2020
Twinlike models for parametrized dark energy
J. D. Dantas, J. J. Rodrigues
We study cosmological models involving a single real scalar field that has an equation of state parameter which evolves with cosmic time. We highlight some common parametrizations…
physics.ed-ph2009
Nuclear Phenomenology: A Conceptual Proposal for High School Teaching
M. A. M. Souza, J. D. Dantas
The discovery of atomic nucleus by E. Rutherford, at the beginning of the twentieth century, was the Nuclear Physics original landmark. From then, a series of experiments in which…