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On the eccentricity behaviour of radiating slowly rotating bodies in general relativity
(SABER ULA, 2006-01-26)
On the eccentricity behaviour of radiating slowly rotating bodies
(Núñez, Luis; Hernández, Hector; Herrera, Luis; Percoco, Umberto)
Abstract
We study different models of radiating slowly rotating bodies up to the ...
Ricci collineations for non-degenerate, diagonal and spherically symmetric ricci tensors
(SABER ULA, 2006-01-26)
Ricci collineations for non-degenerate, diagonal and spherically symmetric ricci tensors
(Núñez, Luis; Percoco, Umberto; Contreras, Gerardo)
Abstract
The expression of the vector field generator of a Ricci Collineation ...
Comment on Ricci Collineations of static spherically symmetric spacetimes
(SABER ULA, 2006-01-26)
Comment on Ricci Collineations of static spherically symmetric spacetimes
(Núñez, Luis; Contreras, Gerardo; Percoco, Umberto; Bertolotti, Ricardo; Carot, J.)
Abstract
We present a counter example to a theorem given ...
Gauge theories at finite temperature and the background field method
(SABER ULA, 2006-01-19)
Gauge theories at finite temperature and the background field method
Antikainen, J.; Chaichian, M.; Pantoja, N.R.; Salazar, J.J.
Abstract
The background field method has been employed to ...
The 3-dimensional einstein-klein-gordon system in characteristic numerical relativity.
(SABER ULA, 2005-09-18)
The 3-dimensional einstein-klein-gordon system in characteristic numerical relativity.
(Barreto Acevedo, Willians; Da Silva, A.; Gómez, R.; Lehner, R.; Rosales, L.; Winicour, J..)
Abstract
We incorporate a massless ...
Spin waves at the ferromagnetic-antiferromagnetic interface
(SABER ULA, 2005-06-06)
Spin waves at the ferromagnetic-antiferromagnetic interface
Pestana, E., Mata, G. J., Pantoja, N.
Abstract
We investigate the magnon modes in the neighbourhood of the interface between a ...
Thick domain wall spacetimes with and without reflection symmetry
(SABER ULA, 2005-05-25)
Thick domain wall spacetimes with and without reflection symmetry
Melfo, Alejandra; Pantoja, Nelson; Skirzewski, Aureliano
Abstract
We show that the spacetimes of domain wall solutions to ...
Self-gravitating domain walls and the thin-wall limit
(SABER ULA, 2005-05-25)
Self-gravitating domain walls and the thin-wall limit
Guerrero, Rommel, Melfo, Alejandra; Pantoja, Nelson
Abstract
We analyse the distributional thin wall limit of self gravitating scalar ...
Curvature singularity of the distributional BTZ black hole geometry
(SABER ULA, 2005-05-25)
Curvature singularity of the distributional BTZ black hole geometry
Pantoja, Nelson; Rago, Héctor; Rodríguez, R.O.
Abstract
For the non-rotating BTZ black hole, the distributional curvature ...
Symmetries of distributional domain wall geometries
(SABER ULA, 2005-05-25)
Symmetries of distributional domain wall geometries
Pantoja, Nelson; Sanoja, Alberto
Abstract
Generalizing the Lie derivative of smooth tensor fields to distribution-valued tensors, we ...