Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Federico G. Lopez Armengol"'
Autor:
Leonardo R. Werneck, Zachariah B. Etienne, Ariadna Murguia-Berthier, Roland Haas, Federico Cipolletta, Scott C. Noble, Lorenzo Ennoggi, Federico G. Lopez Armengol, Bruno Giacomazzo, Thiago Assumpção, Joshua Faber, Tanmayee Gupte, Bernard J. Kelly, Julian H. Krolik
We have added support for realistic, microphysical, finite-temperature equations of state (EOS) and neutrino physics via a leakage scheme to IllinoisGRMHD, an open-source GRMHD code for dynamical spacetimes in the Einstein Toolkit. These new features
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d1a7c1357fdfd998a17722df9b8a3d8
https://hdl.handle.net/10281/409936
https://hdl.handle.net/10281/409936
Autor:
Vassilios Mewes, Mark J. Avara, Federico G. Lopez Armengol, Hiroyuki Nakano, Julian H. Krolik, Dennis B. Bowen, Luciano Combi, Manuela Campanelli, Scott C. Noble
Publikováno v:
The Astrophysical Journal
Supermassive black hole binaries are likely to accrete interstellar gas through a circumbinary disk. Shortly before merger, the inner portions of this circumbinary disk are subject to general relativistic effects. To study this regime, we approximate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49446a62baaefaad27e28836a09f0fae
http://arxiv.org/abs/2102.00243
http://arxiv.org/abs/2102.00243
Autor:
Federico G. Lopez Armengol, Luciano Combi, Manuela Campanelli, Brennan Ireland, Scott C. Noble, Dennis B. Bowen, Hiroyuki Nakano
We construct an approximate metric that represents the spacetime of spinning binary black holes (BBH) approaching merger. We build the metric as an analytical superposition of two Kerr metrics in harmonic coordinates, where we transform each black ho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::773fc64c1974e8412ad7227a676d434d
Autor:
Michael Kolacki, Luke F. Roberts, Tanmayee Gupte, Scott C. Noble, Leonardo R. Werneck, Ariadna Murguia-Berthier, Manuela Campanelli, Julian H. Krolik, Jeremy D. Schnittman, Jesus M. Rueda-Becerril, Lorenzo Ennoggi, Grace Fiacco, Bernard J. Kelly, Brendan Drachler, Joshua A. Faber, Riccardo Ciolfi, Bruno Giacomazzo, Yosef Zlochower, Richard O'Shaughnessy, Yossef Zenati, Enrico Ramirez-Ruiz, Ben Margalit, Federico Cipolletta, Mark J. Avara, Zachariah B. Etienne, Federico G. Lopez Armengol, Trung Ha, Tim Moon
The first binary neutron star merger has already been detected in gravitational waves. The signal was accompanied by an electromagnetic counterpart including a kilonova component powered by the decay of radioactive nuclei, as well as a short $\gamma$
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2872099cc845c2bbd7a2401ab9ac60e
http://hdl.handle.net/10281/336199
http://hdl.handle.net/10281/336199
Autor:
Luciano Combi, Federico G. Lopez Armengol, Manuela Campanelli, Scott C. Noble, Mark Avara, Julian H. Krolik, Dennis Bowen
Publikováno v:
The Astrophysical Journal
We perform a full 3D general relativistic magnetohydrodynamical (GRMHD) simulation of an equal-mass, spinning, binary black hole approaching merger, surrounded by a circumbinary disk and with mini-disks around each black hole. For this purpose, we ev
Autor:
Manuela Campanelli, Thomas W. Baumgarte, Federico G. Lopez Armengol, Zachariah B. Etienne, Federico Cipolletta, Yosef Zlochower, Vassilios Mewes
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
We present SphericalNR, a new framework for the publicly available Einstein Toolkit that numerically solves the Einstein field equations coupled to the equations of general relativistic magnetohydrodynamics (GRMHD) in a 3+1 split of spacetime in sphe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dcdd02a29e7bd2a62c45b3d6e5f0402
Autor:
Federico G. Lopez Armengol
Publikováno v:
Science Trends.
Publikováno v:
Metatheoria
RIDAA (UNQ)
Universidad Nacional de Quilmes
instacron:UNQ
RIDAA (UNQ)
Universidad Nacional de Quilmes
instacron:UNQ
Fil: Lopez Armengol, Federico G. Instituto Argentino de Radioastronomía; Argentina. Fil: Romero, Gustavo E. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Lopez Armengol, F. G. y Romero, G. E. (2017).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95b8b7946657c646476a83e525589392
http://ridaa.unq.edu.ar/handle/20.500.11807/2492
http://ridaa.unq.edu.ar/handle/20.500.11807/2492
Scalar-Tensor-Vector Gravity (STVG), also referred as Modified Gravity (MOG), is an alternative theory of the gravitational interaction. Its weak field approximation has been successfully used to describe Solar System observations, galaxy rotation cu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83f86da353b7aa5ef4a79d9800378da0
https://link.springer.com/article/10.1007/s10714-017-2184-0
https://link.springer.com/article/10.1007/s10714-017-2184-0
Scalar-Tensor-Vector Gravity (STVG) is a theory that does not require dark components to describe astrophysical data. We aim at constraining the free parameters of STVG based on recent observations of the jet in M87. We derive the equations of motion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2f6ccdf840efd8168fd010d6b16a84a