Mass Ejection in Failed Supernovae: Equation of State and Neutrino Loss Dependence [PDF]
A failed core-collapse supernova from a nonrotating progenitor can eject mass due to a weakening of gravity associated with neutrino emission from the protoneutron star.
M. Ivanov, R. Fernández
semanticscholar +1 more source
GENERALIZED SEMI-ANALYTICAL MODELS OF SUPERNOVA LIGHT CURVES [PDF]
48 pages, 13 ...
Chatzopoulos, Emmanouil +2 more
openaire +3 more sources
Pulsational pair-instability supernovae: gravitational collapse, black-hole formation, and beyond [PDF]
We investigate the final collapse of rotating and non-rotating pulsational pair-instability supernova progenitors with zero-age-main-sequence masses of 60, 80, and 115$\mathrm{M}_\odot$ and iron cores between 2.37$\mathrm{M}_\odot$ and 2.72$\mathrm{M}_ ...
Ninoy Rahman +10 more
semanticscholar +1 more source
Quintessence or phantom: Study of scalar field dark energy models through a general parametrization of the Hubble parameter [PDF]
In this work we propose a simple general parametrization scheme of the Hubble parameter for the scalar field dark energy models. In our approach it is possible to incorporate both the quintessence and phantom scalar field in a single analytical scheme ...
Nandan Roy, Sangita Goswami, Sudipta Das
semanticscholar +1 more source
Generalized Chaplygin gas model, supernovae, and cosmic topology [PDF]
In this work we study to which extent the knowledge of spatial topology may place constraints on the parameters of the generalized Chaplygin gas (GCG) model for unification of dark energy and dark matter. By using both the Poincaré dodecahedral and binary octahedral spaces as the observable spatial topologies, we examine the current type Ia supernovae (
Bento, M. C. +3 more
openaire +2 more sources
General-relativistic Radiation Transport Scheme in Gmunu. II. Implementation of Novel Microphysical Library for Neutrino Radiation—Weakhub [PDF]
We introduce Weakhub, a novel neutrino microphysics library that provides opacities and kernels beyond conventional interactions used in the literature. This library includes neutrino–matter, neutrino–neutrino interactions and plasma process, along with ...
Harry Ho-Yin Ng +3 more
semanticscholar +1 more source
Seed magnetic Fields Generated by Primordial Supernova Explosions [PDF]
Accepted for publication in MNRAS, 5 pages (MN plain TeX macros v1.6 file). Also available at http://www.iagusp.usp.br/~oswaldo (click "OPTIONS" and then "ARTICLES")
Miranda, O. D., Opher, M., Opher, R.
openaire +2 more sources
Perturbations of nested branes with induced gravity [PDF]
We investigate the general properties of Unified Dark Matter (UDM) fluid models where the pressure and the energy density are linked by a barotropic equation of state (EoS) p = p(ρ) and the perturbations are adiabatic.
Sbisa, Fulvio, Koyama, Kazuya
core +3 more sources
A NEW MULTI-DIMENSIONAL GENERAL RELATIVISTIC NEUTRINO HYDRODYNAMICS CODE FOR CORE-COLLAPSE SUPERNOVAE. IV. THE NEUTRINO SIGNAL [PDF]
Considering six general relativistic, two-dimensional (2D) supernova (SN) explosion models of progenitor stars between 8.1 and 27 M☉, we systematically analyze the properties of the neutrino emission from core collapse and bounce to the post-explosion ...
B. Müller, H. Janka
semanticscholar +1 more source
Topics in Core-Collapse Supernova Theory: The Formation of Black Holes and the Transport of Neutrinos [PDF]
Core-Collapse Supernovae are one of the most complex astrophysical systems in the universe. They deeply entwine aspects of physics and astrophysics that are rarely side by side in nature.
O'Connor, Evan Patrick
core +1 more source

