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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 ...
Static anisotropic solutions to Einstein equations with a nonlocal equation of state
(SABER ULA, 2005-04-18)
Static anisotropic solutions to Einstein equations with a nonlocal equation of state
(Núñez, Luis; Hernández, Hector)
Abstract
We present a general method to obtain static anisotropic spherically symmetric solutions, ...
Un Modelo de Estados y Transiciones de la Sabana Estacional de los Llanos Venezolanos
(SABER ULA, 2005-01-26)
Un Modelo de Estados y Transiciones de la Sabana Estacional de los Llanos Venezolanos
(Sarmiento, Guillermo y Silva, Juan F.)
Resumen
Se analiza el efecto de diferentes frecuencias de quemas sobre la sabana ...
Seed dispersal in Palicourea rigida, a common treelet species from neotropical savannas
(SABER ULA, 2005-01-26)
Seed dispersal in Palicourea rigida, a common treelet species from neotropical savannas
(Wütherich, Dirk † ; Azócar, Aura; García, Nuñez, Carlos and Silva, Juan F. )
Abstract
The dispersal system of Palicourea ...
Densidad de Leñosas de la Sabana Estacional y Frecuencia de Quemas: La Hipótesis del Equilibrio Fluctuante
(SABER ULA, 2005-01-26)
Densidad de Leñosas de la Sabana Estacional y Frecuencia de Quemas: La Hipótesis del Equilibrio Fluctuante
(Silva, Juan F. y Sarmiento, Guillermo )
Resumen
Un este trabajo nos planteamos el problema de la relación ...
Leaf-cutting ants and forest groves in a tropical parkland savanna of Venezuela: facilitated succession?
(SABER ULA, 2005-01-26)
Leaf-cutting ants and forest groves in a tropical parkland savanna of Venezuela: facilitated succession?
(Farji Brener, Alejandro G. and Silva, Juan F.)
Abstract
Some savanna arcas in the Orinoco Llanos region in ...