Browsing Centro de Física Fundamental (CFF) by Title

Now showing items 14-33 of 144

    • Conformal symmetry inheritance in null fluid spacetimes 

      Carot, Jaume; Tupper, Brian O. J.; Hall, J. S.; Keane, A. J.; Coley, A. A. (SABER ULA, 2008-07-02)
      Conformal symmetry inheritance in null fluid spacetimes (Carot, Jaume; Keane, A. J.; Coley, A. A.; Hall, J. S.; Tupper, Brian O. J.) Abstract We define inheriting conformal Killing vectors for null fluid spacetimes ...

    • Conformally reducible 2 + 2 spacetimes 

      Carot, Jaume; Tupper, Brian O. J. (SABER ULA, 2008-07-02)
      Conformally reducible 2 + 2 spacetimes (Carot, Jaume; Tupper, Brian O. J.) Abstract Spacetimes which are conformal to 2 + 2 reducible spacetimes are considered. We classify them according to their conformal algebra, ...

    • Contribution to the commissioning of the ATLAS calorimeter electronics calibration 

      Cárdenas G., Antonio L. (SABER ULA, 2008-08-07)
      Contribution to the commissioning of the ATLAS calorimeter electronics calibration (Cárdenas G., Antonio L.)

    • Cosmos y cosmología 

      Rago, Héctor (SABER ULA, 2003-07-14)
      La traducción de este artículo fue publicada en el libro: Astrobiology: Origins from Big bang to Civilisation, Editado por Julián Chela-Flores, Guillermo A. Lemarchand y John Oró, Klwer Academis Press, 2000.

    • Covariant duality symmetric actions 

      Khoudeir, Adel; Pantoja, Nelson (SABER ULA, 2005-01-06)
      Covariant duality symmetric actions (Khoudeir, Adel; Pantoja, Nelson) Abstract A manifestly Lorentz and diffeomorphism invariant form for the abelian gauge field action with local duality symmetry of Schwarz and ...

    • Cracking of self-gravitating compact objects with local and non local equations of state. 

      Abreu, Henso; Hernández G., Héctor; Núñez, Luis (SABER ULA, 2006-12-28)
      Cracking of self-gravitating compact objects with local and non local equations of state. (Abreu, Henso; Hernández, Hector y Núñez, Luis) Abstract We discuss the effect that small fluctuations of density and local ...

    • Crucial test of relativity theory: open currents and magnetic model of light. 

      Spavieri, Gianfranco; Erazo, Jesús; Sánchez, Arturo; Ayazo, José; Rodriguez, M. (SABER ULA, 2007-04-13)
      Crucial test of relativity theory: open currents and magnetic model of light. Spavieri, Gianfranco; Erazo, J.; Sanchez, A.; Ayazo, José and Rodriguez, M. Abstract Fundamental tests of special theory of relativity (STR) ...

    • Curvature singularity of the distributional BTZ black hole geometry 

      Pantoja, Nelson; Rago, Héctor; Rodríguez, R.O. (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 ...

    • Diffuse gas condensation induced by variations of the ionizing flux 

      Parravano, Antonio; Pech, Catherine (SABER ULA, 2005-01-06)
      Diffuse gas condensation induced by variations of the ionizing flux (Parravano, Antonio; Pech, Catherine) Abstract The variation of an ionizing flux as a mechanism to stimulate the condensation of a diffuse gas is ...

    • Discovery of the bright trans-Neptunian object 2000 EB173 

      Ferrín, Ignacio; Rabinowitz, David; Deng, Ming; Snyder, J.; Ellman, N.; Vicente, B.; Rengstorf, A.; Depoy, D.; Salim, Samir; Andrews, P.; Bailyn, Charles D.; Baltay, C.; Briceño, César; Coppi, Paolo S.; Schaefer, Bradley E.; Emmet, W.; Oemler, Augustus; Sabbey, Chris N.; Shin, J.; Sabatino, Sofia; Van Altena, William F.; Vivas, K.; Abad, C.; Bongiovanni, A.; Bruzual, Gustavo; Della Prugna, F.; Herrera, D.; Magris, Gladis; Mateu, J.; Pacheco, R.; Sánchez, Ge.; Sánchez, Gu.; Schenner, H.; Stock, Jürgen; Vieira, K.; Fuenmayor, Francisco J.; Hernández, J.; Naranjo V., Orlando A.; Rosenzweig, Patricia; Secco, C.; Spavieri, Gianfranco; Gebhard, M.; Honeycutt, H.; Mufson, S.; Musser, James A.; Pravdo, Steven H.; Helin, E.; Lawrence, K. (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: 

      Pantoja, Nelson; Rago, Héctor (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. 

      Núñez, Luis (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. 

      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, Claudio; Núñez, Luis (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. 

      Díaz, Gilberto; Flórez López, Julio; Hamar, Vanessa; Hoeger, Herbert; Mendoza, Claudio; Méndez P., Zulay V.; Núñez, Luis; Ruiz, Nicolás; Torréns Heeren, Rodrigo J.; Uzcátegui, M. (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 

      Mehrer Terradillos, Mariana; Parravano, Antonio (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 

      Pantoja, Nelson; Rago, Héctor (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 

      Carot, Jaume; Haddow, Barry M. (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.

    • Enseñanzas Einstenianas. 

      Rago, Héctor (SABER ULA, 2006-08-03)

    • Entrevista Hoy Viernes 

      Rago, Héctor (SABER ULA, 2003-07-14)

    • Estrategia de Teleinformación ULA 2002 

      Núñez, Luis (SABER ULA, 2002-06-14)