Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Jaramillo, J. L."'
The qualitative and quantitative understanding of near-horizon gravitational dynamics in the strong-field regime represents a challenge both at a fundamental level and in astrophysical applications. Recent advances in numerical relativity and in the
Externí odkaz:
http://arxiv.org/abs/1205.3902
Publikováno v:
Phys.Rev.D82:044023,2010
[abridged] The inspiral of a stellar compact object into a massive black hole is one of the main sources of gravitational waves for the future space-based Laser Interferometer Space Antenna. We expect to be able to detect and analyze many cycles of t
Externí odkaz:
http://arxiv.org/abs/1006.3201
Autor:
Jaramillo, J. L., Gourgoulhon, E.
We present an introduction to mass and angular momentum in General Relativity. After briefly reviewing energy-momentum for matter fields, first in the flat Minkowski case (Special Relativity) and then in curved spacetimes with or without symmetries,
Externí odkaz:
http://arxiv.org/abs/1001.5429
Publikováno v:
Phys.Rev.D77:084007,2008
Bonazzola, Gourgoulhon, Grandcl\'ement, and Novak [Phys. Rev. D {\bf 70}, 104007 (2004)] proposed a new formulation for 3+1 numerical relativity. Einstein equations result, according to that formalism, in a coupled elliptic-hyperbolic system. We have
Externí odkaz:
http://arxiv.org/abs/0802.3018
Publikováno v:
Class.Quant.Grav.25:093001,2008
This article reviews some aspects in the current relationship between mathematical and numerical General Relativity. Focus is placed on the description of isolated systems, with a particular emphasis on recent developments in the study of black holes
Externí odkaz:
http://arxiv.org/abs/0712.2332
Our current picture of black hole gravitational collapse relies on two assumptions: i) the resulting singularity is hidden behind an event horizon -- weak cosmic censorship conjecture -- and ii) spacetime eventually settles down to a stationarity sta
Externí odkaz:
http://arxiv.org/abs/0712.1741
Publikováno v:
Phys.Rev.D77:047501,2008
We present a set of inner boundary conditions for the numerical construction of dynamical black hole space-times, when employing a 3+1 constrained evolution scheme and an excision technique. These inner boundary conditions are heuristically motivated
Externí odkaz:
http://arxiv.org/abs/0709.2842
Publikováno v:
Phys.Rev.D75:024019,2007
We study the numerical implementation of a set of boundary conditions derived from the isolated horizon formalism, and which characterize a black hole whose horizon is in quasi-equilibrium. More precisely, we enforce these geometrical prescriptions a
Externí odkaz:
http://arxiv.org/abs/gr-qc/0610006
Autor:
Gourgoulhon, E., Jaramillo, J. L.
Publikováno v:
Phys.Rept.423:159-294,2006
The isolated horizon formalism recently introduced by Ashtekar et al. aims at providing a quasi-local concept of a black hole in equilibrium in an otherwise possibly dynamical spacetime. In this formalism, a hierarchy of geometrical structures is con
Externí odkaz:
http://arxiv.org/abs/gr-qc/0503113
Publikováno v:
Phys.Rev. D70 (2004) 124036
We present a set of boundary conditions for solving the elliptic equations in the Initial Data Problem for space-times containing a black hole, together with a number of constraints to be satisfied by the otherwise freely specifiable standard paramet
Externí odkaz:
http://arxiv.org/abs/gr-qc/0407063