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Rotating "Black Holes" with Holes in the Horizon
Alexander Burinskii, Emilio Elizalde, Sergi R. Hildebrandt +1
Kerr-Schild solutions of the Einstein-Maxwell field equations, containing semi-infinite axial singular lines, are investigated. It is shown that axial singularities break up the bl…
A physical application of Kerr-Schild groups
Sergi R. Hildebrandt
The present work deals with the search of useful physical applications of some generalized groups of metric transformations. We put forward different proposals and focus our attent…
Kerr-Schild and generalized metric motions
Sergi R. Hildebrandt
In this work we study in detail new kinds of motions of the metric tensor. The work is divided into two main parts. In the first part we study the general existence of Kerr-Schild…
The family of regular interiors for non-rotating black holes with
Emilio Elizalde, Sergi R. Hildebrandt
We find the general solution for the spacetimes describing the interior of static black holes with an equation of state of the type ( being the stress-energy t…
Regular Sources of the Kerr-Schild class for Rotating and Nonrotating Black Hole Solutions
Alexander Burinskii, Emilio Elizalde, Sergi R. Hildebrandt +1
A unified approach to regular interiors of black holes with smooth matter distributions in the core region is given. The approach is based on a class of Kerr-Schild metrics represe…
A family of quantum interiors for ordinary and stringy black holes II: Geometric considerations and global properties
E. Elizalde, Sergi R. Hildebrandt
A family of spacetimes suitable for describing the matter conditions of a static, spherically symmetric quantum vacuum is studied, as well as its reliability for describing a regul…
A family of regular quantum interiors for non-rotating black holes I: The GRNSS spacetimes
Emilio Elizalde, Sergi R. Hildebrandt
A seemingly natural mechanism is proposed, that could stop the gravitational collapse of a very massive body. Without needing to change the concept of the collapsing process itself…
Regular quantum interiors for black holes
Emilio Elizalde, Sergi R. Hildebrandt
A family of spacetimes suitable for describing the interior of a non-rotational black hole is constructed. The stress-energy tensor is that of a spherically symmetric vacuum, as co…