ListarCentro de Física Fundamental (CFF) por tema "Artículos"
Mostrando ítems 21-40 de 102
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Discovery of the bright trans-Neptunian object 2000 EB173
(SABER ULA, 2004-06-17)Discovery of the bright trans-Neptunian object 2000 EB173 (Ferrin, Ignacio; Rabinowitz, David; Deng, Ming; Snyder, J.; Ellman, N.; Vicente, B.; Rengstorf, A.; Depoy, D.; Salim, Samir; Andrews, P.; Bailyn, Charles D.; ... -
Distributional sources in general relativity:
(SABER ULA, 2003-07-04)Distributional sources in general relativity: Two point-like examples revisited (Pantoja, Nelson; Rago, Hector) Abstract A regularization procedure, that allows one to relate singularities of curvature to those ... -
E-investigación: una nueva manera de producir conocimiento.
(SABER ULA, 2007-07-03)E-investigación: una nueva manera de producir conocimiento. (Núñez, Luis) Resumen Se describen algunas experiencias en e-investigación de en Física de Altas Energías, Astrofísica y Química. Luego se hace una descripción ... -
E-science initiatives in Venezuela.
(SABER ULA, 2008-06-09)E-science initiatives in Venezuela. (Chaves, Juan Luis; Díaz, Gilberto; Hamar, Vanessa; Isea, Raúl; Rojas, Freddy; Ruiz, Nicolás; Torréns Heeren, Rodrigo J.; Uzcátegui, M.; Flórez López, Julio; Hoeger, Herbert; Mendoza, ... -
E-science perspectives in Venezuela.
(SABER ULA, 2008-08-29)E-science perspectives in Venezuela. (Díaz, Gilberto; Flórez López, Julio; Hamar, Vanessa; Hoeger, Herbert; Mendoza, Claudio; Mendez, Z.; Núñez, Luis; Ruiz, Nicolás; Torréns Heeren, Rodrigo J.; Uzcátegui, M.) Abstract We ... -
Efecto de las variaciones de la presión térmica sobre el estado del gas interestelar
(SABER ULA, 2008-07-25)Efecto de las variaciones de la presión térmica sobre el estado del gas interestelar. (Mehrer Terradillos, Mariana y Parravano, Antonio) Resumen Se estudió el cambio del estado termoquímico del gas interestelar cuando ... -
Energy-momentum tensor valued distributions for the Schwarzschild and Reissner-Nordstrom geometries
(SABER ULA, 2003-07-04)Energy-momentum tensor valued distributions for the Schwarzschild and Reissner-Nordstrom geometries (Pantoja, Nelson; Rago, Hector) Abstract An approach to computing, withing the framework of distribution theory, ... -
Energy-momentum types of warped spacetimes
(SABER ULA, 2008-07-02)Energy-momentum types of warped spacetimes (Carot, Jaume; Haddow, Barry M. Abstract The possible energy–momentum types of warped product pacetime are investigated using the classification given by Carot and da Costa. -
Entrevista Hoy Viernes
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Fermion localization on thick branes
(SABER ULA, 2007-03-19)Fermion localization on thick branes. (Melfo, Alejandra; Pantoja, Nelson and Tempo, José David) Abstract We consider chiral fermion confinement in scalar thick branes, which are known to localize gravity, coupled ... -
Formation of vortices in first order phase transitions
(SABER ULA, 2003-12-05)Formation of vortices in first order phase transitions (Melfo, Alejandra; Perivolaropoulos, Leandros) Abstract Using a toy model Lagrangian we investigate the formation of vortices in first order phase transitions. ... -
Gauge invariance for the massive axion
(SABER ULA, 2003-12-05)Gauge invariance for the massive axion (Khoudeir, Adel; Arias, Pío José) Abstract A massive gauge invariant formulation for scalar Φ and antisymmetric (Cmnp) fields with a topological coupling, which provides a ... -
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 ... -
General relativistic radiant shock waves in the post-quasistatic approximation.
(SABER ULA, 2006-12-28)General relativistic radiant shock waves in the post-quasistatic approximation. (Rueda H., Jorge A. y Núñez, Luis) Abstract An evolution of radiant shock wave front is considered in the framework of a recently presented ... -
Generalised soliton solutions of the Weyl class
(SABER ULA, 2008-07-02)Generalised soliton solutions of the Weyl class (Verdaguer, Enric ; Carot, Jaume) Abstract The whole family of generalised soliton solutions of the Weyl class for Einstein's equations in vacuum is considered. A ... -
La geometría del universo y la radiación cósmica de fondo
(SABER ULA, 2004-06-16)La geometría del universo y la radiación cósmica de fondo (Rago, Héctor) Resumen La Radiación Cósmica de Microondas que plena uniformemente el espacio, es un vestigio de una época cuando el universo era unas mil ... -
Homothetic perfect fluid spacetimes
(SABER ULA, 2008-07-02)Homothetic perfect fluid spacetimes (Carot, Jaume; Sintes, A. M.) Abstract A brief summary of results on homotheties in general relativity is given, including general information about spacetimes admitting an ... -
Hydrodynamics in class b warped spacetimes.
(SABER ULA, 2006-01-26)Hydrodynamics in class b warped spacetimes. (Núñez, Luis; Carot, Jeumes.) Abstract We discuss certain general features of type B warped spacetimes which have important consequences on the material content they may ... -
Intermediate scales in supersymmetric GUTs:
(SABER ULA, 2003-12-05)Intermediate scales in supersymmetric GUTs: The survival of the fittest (Melfo, Alejandra; Aulakh, Charanjit S.; Bajc, Borut; Rasin, Andrija; Senjanovic, Goran) Abstract We show that intermediate scales in ... -
Introducción a la cosmología.
(SABER ULA, 2006-08-04)