38 citations · 277 across the 22 of their papers we have counts for
23 papers
Small-scale solar jet formation and their associated waves and instabilities
Samuel Skirvin, Gary Verth, José Juan González-Avilés +7
Studies on small-scale jets' formation, propagation, evolution, and role, such as type I and II spicules, mottles, and fibrils in the lower solar atmosphere's energetic balance, ha…
H, He-like recombination spectra IV; H, He-like recombination spectra IV: clarification and refinement of methodology for -changing collisions
N. R. Badnell, F. Guzmán, S. Brodie +4
Precise spectral diagnostic modelling of H~{\sc i} and He~{\sc ii} recombination spectra can constrain theoretical models which describe many astrophysical environments. Simple ana…
Study of neutrino-nucleus reactions with CRISP Program (0 < < 3 GeV)
R. Perez, A. Deppman, Evandro Andrade-II +3
The neutrino-nucleus reactions are studied at energies from 0 to 3 GeV, using the CRISP program. To simulate these reactions, CRISP uses the Monte Carlo method through an intranucl…
X-ray spectroscopy in the microcalorimeter era II: A new Diagnostic on Column Density from the Case A to B Transition in H- and He-like Iron
P. Chakraborty, M. Chatzikos, F. Guzmán +2
The Soft X-ray Spectrometer (SXS) on board \textit{Hitomi}, with the unprecedented resolving power of R1250, allowed the detection of members of the Fe XXV \ka\ complex emiss…
X-ray spectroscopy in the microcalorimeter era I: Effects of Fe XXIV Resonance Auger Destruction on Fe XXV K spectra
P. Chakraborty, G. J. Ferland, M. Chatzikos +2
We discuss the importance of Fe in determining the line intensities of the Fe XXV K complex in an optically thick cloud, and investigate the prediction of Liedahl (2005)…
Spicule jets in the solar atmosphere modeled with resistive MHD and thermal conduction
J. J. González-Avilés, F. S. Guzmán, V. Fedun +1
Using numerical simulations, we study the effects of magnetic resistivity and thermal conductivity in the dynamics and properties of solar jets with characteristics of Type II spic…
Current and future development of the photoionization code Cloudy
P. A. M. van Hoof, G. C. Van de Steene, F. Guzmán +3
The gas that is present in the interstellar medium is usually very far removed from (local) thermodynamic equilibrium, and in some cases may also not be in a steady-state equilibri…
Gravitational atoms: general framework for the construction of multistate axially symmetric solutions of the Schrödinger-Poisson system
F. S. Guzmán, L. Arturo Ureña-López
We present a general strategy to solve the stationary Schrödinger-Poisson (SP) system of equations for multistates with axial symmetry. The approach allows us to obtain the well kn…
Scalar field dark matter as an alternative explanation for the anisotropic distribution of satellite galaxies
Jordi Solís-López, Francisco S. Guzmán, Tonatiuh Matos +2
In recent years, the scalar field dark matter (SFDM), also called ultralight bosonic dark matter, has received considerable attention due to the number of problems it might help to…
CAFE-R a code that solves the special relativistic radiation hydrodynamics equations
F. J. Rivera-Paleo, F. S. Guzmán
We present a 3D special-relativistic radiation hydrodynamics code. It uses the radiative inversion scheme with the M1-closure relation for the radiation equations, which allows the…
Relaxation of structures resulting from head-on mergers of ultralight bosonic dark matter cores
Ana Avilez-Lopez, F. S. Guzmán
In this work we study some features of head-on mergers of equilibrium solutions of the Gross-Pitaevskii-Poisson system that rules the dynamics of the ultralight bosonic dark matter…
Flows and magnetic field structures in reconnection regions of simulations of the solar atmosphere: do flux pile-up models work?
S. Shelyag, Y. E. Litvinenko, V. Fedun +3
We study the process of magnetic field annihilation and reconnection in simulations of magnetised solar photosphere and chromosphere with magnetic fields of opposite polarities and…
Challenges and Techniques for Simulating Line Emission
Karen P. Olsen, Andrea Pallottini, Aida Wofford +9
Modeling emission lines from the millimeter to the UV and producing synthetic spectra is crucial for a good understanding of observations, yet it is an art filled with hazards. Thi…
Nuclear medium effects in muonic neutrino interaction with energies from 0.2 GeV to 1.5 GeV
D. Vargas, A. R. Samana, F. G. Velasco +8
Nuclear reactions induced by muon neutrino with energies in the range from 0.2 to 1.5 GeV in Monte Carlo calculations framework in the intra-nuclear cascade model are studied. This…
I. Jet Formation and Evolution due to 3D Magnetic Reconnection
J. J. González-Avilés, F. S. Guzmán, V. Fedun +3
Using simulated data-driven three-dimensional resistive MHD simulations of the solar atmosphere, we show that magnetic reconnection can be responsible of the formation of jets with…
The 2017 Release of Cloudy
G. J. Ferland, M. Chatzikos, F. Guzmán +8
We describe the 2017 release of the spectral synthesis code Cloudy. A major development since the previous release has been exporting the atomic data into external data files. This…
Testing atomic collision theory with the two-photon continuum of astrophysical nebulae
F. Guzmán, N. R. Badnell, M. Chatzikos +3
Accurate rates for energy-degenerate l-changing collisions are needed to determine cosmological abundances and recombination. There are now several competing theories for the treat…
Accretion of a Phantom Scalar Field by a Black Hole: restrictions on the field distribution
J. A. González, F. S. Guzmán
Using numerical simulations we study the accretion of a phantom scalar field into a black hole and track the black hole horizon shrinking process. We integrate the amount of field…
Jet formation in solar atmosphere due to magnetic reconnection
J. J. González-Avilés, F. S. Guzmán, V. Fedun
Using numerical simulations, we show that jets with features of type II spicules and cold coronal jets corresponding to temperatures K can be formed due to magnetic reconn…
H, He-like recombination spectra II: -changing collisions for He Rydberg states
F. Guzmán, N. R. Badnell, R. J. R. Williams +3
Cosmological models can be constrained by determining primordial abundances. Accurate predictions of the He I spectrum are needed to determine the primordial helium abundance to a…
Systematic study of actinide and pre-actinide fission modes
E. Andrade-II, G. S. Karapetyan, A. Deppman +6
In this work, we present new experimental data on mass distribution of fission fragments from Am proton-induced fission at MeV measured at the LNR Phasotron (JINR). T…
Newtonian CAFE: a new ideal MHD code to study the solar atmosphere
J. J. Gonzalez-Aviles, A. Cruz-Osorio, F. D. Lora-Clavijo +1
We present a new code designed to solve the equations of classical ideal magneto-hydrodynamics (MHD) in three dimensions, submitted to a constant gravitational field. The purpose o…
Evolution of a mass-less test scalar field on Boson Stars space-times
F. D. Lora-Clavijo, A. Cruz-Osorio, F. S. Guzmán
We numerically solve the mass-less test scalar field equation on the space-time background of boson stars and black holes. In order to do so, we use a numerical domain that contain…