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pro vyhledávání: '"Micchi, Luis Felipe Longo"'
We present the first seconds-long multidimensional general relativistic neutrino magnetohydrodynamic simulations of accretion-induced collapse (AIC) in rapidly rotating, magnetized white dwarfs (WDs). Our findings show that, with sufficiently strong
Externí odkaz:
http://arxiv.org/abs/2410.10938
Autor:
Espino, Pedro Luis, Hammond, Peter, Radice, David, Bernuzzi, Sebastiano, Gamba, Rossella, Zappa, Francesco, Micchi, Luis Felipe Longo, Perego, Albino
We study out-of-thermodynamic equilibrium effects in neutron star mergers with 3D general-relativistic neutrino-radiation large-eddy simulations. During merger, the cores of the neutron stars remain cold ($T \sim$ a few MeV) and out of thermodynamic
Externí odkaz:
http://arxiv.org/abs/2311.00031
Publikováno v:
Monthly Notices of the Royal Astronomical Society 2023
We present fully general-relativistic three-dimensional numerical simulations of accretion-induced collapse (AIC) of white dwarfs (WDs). We evolve three different WD models (nonrotating, rotating at 80% and 99% of the Keplerian mass shedding limit) t
Externí odkaz:
http://arxiv.org/abs/2306.04711
The astrophysical stochastic gravitational wave background (SGWB) originates from numerous faint sub-threshold gravitational wave (GW) signals arising from the coalescing binary compact objects. This background is expected to be discovered from the c
Externí odkaz:
http://arxiv.org/abs/2305.03090
Being arguably the most massive binary black hole merger event observed to date, GW190521 deserves special attention. The exceptionally loud ringdown of this merger makes it an ideal candidate to search for gravitational wave echoes, a proposed smoki
Externí odkaz:
http://arxiv.org/abs/2201.00047
Publikováno v:
Phys. Rev. D 103, 044028 (2021)
The first direct observations of gravitational waves (GWs) by the LIGO collaboration have motivated different tests of General Relativity (GR), including the search for extra pulses following the GR waveform for the coalescence of compact objects. Th
Externí odkaz:
http://arxiv.org/abs/2010.14578
Publikováno v:
Phys. Rev. D 101, 084010 (2020)
Recently it has been argued that near-horizon modifications of the standard (classical) black hole spacetime could lead to observable alterations of the gravitational waveform generated by a binary black hole coalescence. Such modifications can be in
Externí odkaz:
http://arxiv.org/abs/1912.05419
Autor:
Storchi-Bergmann, Thaisa, de Oliveira, Bruno Dall'Agnol, Micchi, Luis Felipe Longo, Schmitt, Henrique Roberto, Fischer, Travis Cody, Kraemer, Steven, Crenshaw, Michael, Maksym, Peter, Elvis, Martin, Fabbiano, Giuseppina, Colina, Luis
We have used narrow-band [OIII]$\lambda\lambda$4959,5007 and H$\alpha$+[NII]$\lambda\lambda6548,84$ Hubble Space Telescope (HST) images of 9 luminous (L[OIII]$>10^{42}$erg s$^{-1}$) type 2 QSOs with redshifts $0.1
Externí odkaz:
http://arxiv.org/abs/1810.06246
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