Centro de Física Fundamental (CFF): Envíos recientes

Voici les éléments 121-140 de 144

    • On the spontaneous break down of massive gravities in 2+1 dimensions 

      Khoudeir, Adel; Aragone, Carlos; Arias, Pío José (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 ...

    • Nonrestoration of spontaneously broken P, CP and PQ at high temperature 

      Melfo, Alejandra; Senjanovic, Goran; Dvali, Gia (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 ...

    • See-saw and supersymmetry or exact R-parity 

      Melfo, Alejandra; Aulakh, Charanjit S.; Rasin, Andrija; Senjanovic, Goran (SABER ULA, 2005-01-06)
      See-saw and supersymmetry or exact R-parity (Melfo, Alejandra; Aulakh, Charanjit S.; Rasin, Andrija; Senjanovic, Goran) Abstract We show how the renormalizable see-saw mechanism in the context of supersymmetry and ...

    • Self-dual spin-3 and 4 theories 

      Khoudeir, Adel; Aragone, Carlos (SABER ULA, 2005-01-06)
      Self-dual spin-3 and 4 theories (Khoudeir, Adel; Aragone, Carlos) Abstract We present self-dual spin-3 and 4 actions using relevant dreibein fields. Since these actions start with a Chern-Simons like kinetic term ...

    • Synchronization and collective behavior in globally coupled logarithmic maps 

      Cosenza, Mario; González, J. (SABER ULA, 2005-01-06)
      Synchronization and collective behavior in globally coupled logarithmic maps (Cosenza, Mario; González, J.) Abstract The phenomena of synchronization and nontrivial collective behavior in a system of globally coupled ...

    • On supersymmetry at high temperature 

      Melfo, Alejandra; Senjanovic, Goran; Bajc, Borut (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 ...

    • The abelian topological mass mechanism from dimensional reduction 

      Khoudeir, Adel (SABER ULA, 2005-01-06)
      The abelian topological mass mechanism from dimensional reduction (Khoudeir, Adel) Abstract We show that the abelian topological mass mechanism in four dimensions, described by the Cremmer-Sherk action, can be ...

    • Light-front dynamics of massive vector Chern-Simons gravity 

      Khoudeir, Adel; Aragone, Carlos; Arias, Pío José (SABER ULA, 2005-01-06)
      Light-front dynamics of massive vector Chern-Simons gravity (Khoudeir, Adel; Aragone, Carlos; Arias, Pío José) Abstract We present a second order gravity action which consists of ordinary Einstein action augmented ...

    • 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.; ...

    • La geometría del universo y la radiación cósmica de fondo 

      Rago, Héctor (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 ...

    • Formation of vortices in first order phase transitions 

      Melfo, Alejandra; Perivolaropoulos, Leandros (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 

      Khoudeir, Adel; Arias, Pío José (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 ...

    • Intermediate scales in supersymmetric GUTs: 

      Melfo, Alejandra; Aulakh, Charanjit S.; Rasin, Andrija; Senjanovic, Goran; Bajc, Borut (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 ...

    • La ruptura imposible: 

      Rago, Héctor (SABER ULA, 2003-07-16)
      Artículo basado en una conferencia dictada en el marco de la Octava Jornada de Matemáticas, realizada en el Jardín Botánico de la UCV, Caracas, Abril de 1995.

    • Prólogo al libro de Newton 

      Rago, Héctor (SABER ULA, 2003-07-16)

    • Newton y el universo físico 

      Rago, Héctor; Herrera Cometta, Luis (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 ...

    • Nosotros, el universo y los principios de la física 

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

    • El tiempo, ese escultor 

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

    • 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.

    • Entrevista Hoy Viernes 

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