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Emergence of Apparent Horizon in Gravitational Collapse
Annals of PDE, 2017We solve Einstein vacuum equations in a spacetime region up to the “center” of gravitational collapse. Within this region, we construct a sequence of marginally outer trapped surfaces (MOTS) with areas going to zero.
Xinliang An
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Gravitational-Wave Emission from Rotating Gravitational Collapse
Physical Review Letters, 1985We present results for the gravitational radiation from the collapse to a black hole of rotating relativistic polytropes. The wave form closely resembles that emitted by a test particle infalling into a black hole, but the amplitude is reduced and opposite in sign. Less than 0.07% of the star's mass is converted to gravitational-wave energy.
, Stark, , Piran
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Inhomogeneous electromagnetic gravitational collapse
Physical Review D, 1985The collapse of an inhomogeneous dust cloud in the presence of an electromagnetic field is investigated in detail. The possibility of a naked singularity arising is studied using some known solutions for a spherical charged inhomogeneous dust cloud. It is found that locally naked singularities may develop when the arbitrary functions in the solution ...
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Charged scalar gravitational collapse in de Sitter spacetime
, 2015We study the charged scalar collapse in de Sitter spacetimes. With the electric charge, there is one more competitor to join the competition of dynamics in the gravitational collapse. We find that two factors can influence the electric charge. If we just
Cheng-Yong Zhang +3 more
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Gravitational-collapse supernovae
Advances in Space Research, 1981The gravitational collapse of the core of a massive star releases ample energy for a supernova explosion. The mechanisms by which this energy can be imparted to the outer parts of the stars to actually yield an explosion is outlined, and some of the related physical processes are examined.
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Quasispherical gravitational collapse
Physical Review D, 1975A previously derived class of solutions representing gravitationally collapsing dust clouds is investigated in detail. The class includes all spherically symmetric collapses but is more general and is termed quasispherical. Most features of spherical collapse appear to go over in their essentials to the more general class.
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Challenges and opportunities of gravitational-wave searches at MHz to GHz frequencies
Living Reviews in Relativity, 2021Odylio D Aguiar +2 more
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