Zobrazeno 1 - 10
of 505
pro vyhledávání: '"J, Fontes"'
Autor:
Frank B. Rosmej, Christopher J. Fontes
Publikováno v:
Matter and Radiation at Extremes, Vol 9, Iss 6, Pp 067202-067202-10 (2024)
Hollow ion X-ray emission is of great interest in high-energy-density research, since negligible opacity allows studies from the interior of very dense objects. In this paper, ionization potential depressions of the isoelectronic sequences for single
Externí odkaz:
https://doaj.org/article/5acb6f5a6a294007a50eebf584472fb0
Autor:
Yinglei Peng, Marko Ristić, Atul Kedia, Richard O'Shaughnessy, Christopher J. Fontes, Chris L. Fryer, Oleg Korobkin, Matthew R. Mumpower, V. Ashley Villar, Ryan T. Wollaeger
Publikováno v:
Physical Review Research, Vol 6, Iss 3, p 033078 (2024)
Kilonovae are the electromagnetic transients created by the radioactive decay of freshly synthesized elements in the environment surrounding a neutron star merger. To study the fundamental physics in these complex environments, kilonova modeling requ
Externí odkaz:
https://doaj.org/article/7cb9d2ff4933455da4cfea84d6b3089d
Autor:
J. Fontes, B. Macena, S. Solleliet-Ferreira, F. Buyle, R. Magalhães, T. Bartolomeu, N. Liebsch, C. Meyer, P. Afonso
Publikováno v:
Animal Biotelemetry, Vol 10, Iss 1, Pp 1-13 (2022)
Abstract Background Biologging technologies have yielded new insights into the ecology and behaviour of elasmobranchs, but to date, most studies involve animal capture and restraint to attach tags. Capturing animals usually results in a period of aty
Externí odkaz:
https://doaj.org/article/5398346f70184ce19bb6faf38ccb4e49
Autor:
Thomas A. Gomez, Mark C. Zammit, Igor Bray, Christopher J. Fontes, Jackson R. White, Harold Johnson
Publikováno v:
The Astrophysical Journal, Vol 977, Iss 1, p 75 (2024)
Neutron star surfaces have extremely high magnetic fields. In the atmosphere, the broadening of spectral lines will be substantial from the dense plasma as well as from the magnetic field. One broadening mechanism of note is due to the motional Stark
Externí odkaz:
https://doaj.org/article/dbba9da5c3c94a15b48e7438984f37f9
Autor:
Chris L. Fryer, Aimee L. Hungerford, Ryan T. Wollaeger, Jonah M. Miller, Soumi De, Christopher J. Fontes, Oleg Korobkin, Atul Kedia, Marko Ristic, Richard O’Shaughnessy
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 1, p 9 (2024)
The electromagnetic emission from the nonrelativistic ejecta launched in neutron star mergers (either dynamically or through a disk wind) has the potential to probe both the total mass and composition of this ejecta. These observations are crucial in
Externí odkaz:
https://doaj.org/article/676c3f890b93453caedea9e0393bd9fa
An Expanded Set of Los Alamos OPLIB Tables in MESA: Type-1 Rosseland-mean Opacities and Solar Models
Autor:
Ebraheem Farag, Christopher J. Fontes, F. X. Timmes, Earl P. Bellinger, Joyce A. Guzik, Evan B. Bauer, Suzannah R. Wood, Katie Mussack, Peter Hakel, James Colgan, David P. Kilcrease, Manolo E. Sherrill, Tryston C. Raecke, Morgan T. Chidester
Publikováno v:
The Astrophysical Journal, Vol 968, Iss 2, p 56 (2024)
We present a set of 1194 Type-1 Rosseland-mean opacity tables for four different metallicity mixtures. These new Los Alamos OPLIB atomic radiative opacity tables are an order of magnitude larger in number than any previous opacity table release, and
Externí odkaz:
https://doaj.org/article/97248622ae8a4820bdbfeeb1215edc19
Autor:
Ryan T. Wollaeger, Chris L. Fryer, Robert M. Chiodi, Peter T. Brady, Oleg Korobkin, Cale C. Harnish, Christopher J. Fontes, Jeffrey R. Haack, Oleksandr Chapurin, Oleksandr Koshkarov, Gian Luca Delzanno, Daniel Livescu
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 2, p 177 (2024)
The interaction of β -particles with the weakly ionized plasma background is an important mechanism for powering the kilonova (KN) transient signal from neutron star mergers. For this purpose, we present an implementation of the approximate fast-par
Externí odkaz:
https://doaj.org/article/fd12fd27cc4843288b9ccddaed1cc907
Publikováno v:
The Astrophysical Journal, Vol 963, Iss 1, p 62 (2024)
We present a quantum treatment of atom–electron collisions in magnetic fields, demonstrating the significant importance of including the effect of exchange that arises from two interacting electrons. We find strange behaviors that are not encounter
Externí odkaz:
https://doaj.org/article/ec561382f0ea4a6284a6211046670deb
Autor:
J. Fontes, B. Macena, S. Solleliet-Ferreira, F. Buyle, R. Magalhães, T. Bartolomeu, N. Liebsch, C. Meyer, P. Afonso
Publikováno v:
Animal Biotelemetry, Vol 11, Iss 1, Pp 1-3 (2023)
Externí odkaz:
https://doaj.org/article/28f1cca1550548a48fe03d0ffe980b37
Autor:
Marko Ristić, Richard O'Shaughnessy, V. Ashley Villar, Ryan T. Wollaeger, Oleg Korobkin, Chris L. Fryer, Christopher J. Fontes, Atul Kedia
Publikováno v:
Physical Review Research, Vol 5, Iss 4, p 043106 (2023)
In this paper, we present a simple interpolation methodology for spectroscopic time series based on conventional interpolation techniques (random forests) implemented in widely available libraries. We demonstrate that our existing library of simulati
Externí odkaz:
https://doaj.org/article/3605582a2f3141d1888d7bd567650347