Navegação Centro de Física Fundamental (CFF) por título
Itens para a visualização no momento 91-110 of 144
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New BPS domain wall solutions.
(SABER ULA, 2007-03-28)New BPS domain wall solutions. (Pantoja, Nelson y Ramírez, Alba) Abstract Smooth solutions of gravity-scalar field models which represents BPS domain wall spacetimes with a well defined thin wall limit are obtained ... -
Newton y el universo físico
(SABER ULA, 2003-07-15)Newton y el universo físico (Rago, Héctor; Herrera Cometta, Luis) Resumen Este documento es el primero de cuatro capítulos del libro "Newton", libro que recopila igual número de conferencias que como homenaje al ... -
Non-abelian antisymmetric-vector coupling from self-interaction
(SABER ULA, 2005-01-06)Non-abelian antisymmetric-vector coupling from self-interaction (Khoudeir, Adel) Abstract A non-abelian coupling between antisymmetric fields and Yang-Mills fields proposed by Freedman and Townsend several years ... -
Non-abelian self-duality from self-interaction
(SABER ULA, 2005-01-06)Non-abelian self-duality from self-interaction (Khoudeir, Adel) Abstract The non-abelian self-dual action in three dimensions is derived using the self-interaction mechanism. -
Nonlocal equation of state in anisotropic static fluid spheres in general relativity
(SABER ULA, 2006-01-26)Nonlocal equation of state in anisotropic static fluid spheres in general relativity (Núñez, Luis; Hernández, Hector) Abstract We show that it is possible to obtain credible static anisotropic spherically symmetric ... -
Nonlocal equation of state in general relativistic radiating spheres
(SABER ULA, 2006-01-26)Nonlocal equation of state in general relativistic radiating spheres (Núñez, Luis; Hernández, Hector; Percoco, Umberto) Abstract We show that under particular circumstances a general relativistic spherically symmetric ... -
Nonrestoration of spontaneously broken P, CP and PQ at high temperature
(SABER ULA, 2005-01-06)Nonrestoration of spontaneously broken P, CP and PQ at high temperature (Melfo, Alejandra; Dvali, Gia; Senjanovic, Goran) Abstract The possibility of P and CP violation at high temperature in models where these ... -
Nosotros, el universo y los principios de la física
(SABER ULA, 2003-07-14) -
On duality in the born-infeld theory
(SABER ULA, 2005-01-06)On duality in the born-infeld theory (Khoudeir, Adel; Parra, Yoan) Abstract The SL(2,R) duality symmetric action for the Born-Infeld theory in terms of two potentials, coupled with non-trivial backgroud fields in ... -
On supersymmetry at high temperature
(SABER ULA, 2005-01-06)On supersymmetry at high temperature (Melfo, Alejandra; Bajc, Borut; Senjanovic, Goran) Abstract While it is possible to find examples of field theories with a spontaneously broken symmetry at high temperature, in ... -
On the collineations of distribution-valued Ricci tensor fields of domain wall spacetimes.
(SABER ULA, 2007-03-27)On the collineations of distribution-valued Ricci tensor fields of domain wall spacetimes. (Pantoja, Nelson y Sanoja, Alberto) Abstract Generalizing the Lie derivative to distribution-valued tensors, we examine the ... -
On the definition of cylindrical symmetry
(SABER ULA, 2008-07-02)On the definition of cylindrical symmetry (Carot, Jaume; Senovilla, José M. M.; Vera, Raül) Abstract The standard definition of cylindrical symmetry in general relativity is reviewed. Taking the view that axial ... -
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 ... -
On the geometry of warped spacetimes
(SABER ULA, 2008-07-02)On the geometry of warped spacetimes (Carot, Jaume; da Costa, J.) Abstract An invariant characterization of warped spacetimes is given and a classification scheme for them is proposed. Some results on the curvature ... -
On the spontaneous break down of massive gravities in 2+1 dimensions
(SABER ULA, 2005-01-06)On the spontaneous break down of massive gravities in 2+1 dimensions (Khoudeir, Adel; Aragone, Carlos; Pío José, Arias) Abstract We show that locally Lorentz invariant, third order, topological massive gravity can ... -
PP waves and distributional curvature
(SABER ULA, 2007-03-19)PP waves and distributional curvature. (Nelson Pantoja and Freddy Ramírez) Abstract We carry out the distributional analysis of the geometry of a spacetime associated to gravitational waves propagating in a magnetic ... -
Prólogo al libro de Newton
(SABER ULA, 2003-07-16) -
Radiating, slowly rotating bodies in general relativity
(SABER ULA, 2006-01-26)Radiating, slowly rotating bodies in general relativity (Melfo, Alejandra; Núñez, Luis; Patiño, Alberto; Herrera, Luis) Abstract We propose a method to obtain axisymmetric, dynamic solutions to the Einstein equations ... -
La Reconquista de la Biblioteca Digital
(SABER ULA, 2006-01-26)La Reconquista de la Biblioteca Digital (Núñez, Luis) Resumen En el presente ensayo se trata de ilustrar como ha sido el proceso de apropiación de la información científica por parte de las compañías editoras desde ... -
Red bioclimática del estado Mérida: repositorio institucional de datos ambientales
(SABER ULA, 2008-08-29)Red bioclimática del estado Mérida: repositorio institucional de datos ambientales. (Contreras Zambrano, Hilda Yelitza; Méndez, Zulay V.; Torréns Heeren, Rodrigo J. y Núñez, Luis) Resumen Presentamos la experiencia ...