Soumissions récentes

  • A NON COMMUTATIVE APPROACH TO COSMIC STRINGS 

    MENACER, L; AISSAOUI, H (Université des Frères Mentouri Constantine, 2013-12-16)
    A Cosmic string model based on Seiberg-Witten non commutative geometry is constructed. Black holes solutions are determined and the Hawking radiation temperature near the horizon is also derived
  • SOME VIABLE MODELS FROM EXTRA DIMENSIONAL UNIVERSES 

    MOHADI, A (Université des Frères Mentouri Constantine, 2013-12-16)
    Some viable models in a 5D space-time are presented and Friedman like equations are also obtained. A dynamical study is also investigated
  • SOME APPLICATIONS OF PT SYMMETRIC HAMILTONIANS AND PERSPECTIVES 

    MORCHEDI, A (Université des Frères Mentouri Constantine, 2013-12-16)
    General features of PT symmetric Hamiltonians are discussed and some physical applications are presented. Some perspectives are also proposed
  • OPEN SPINNING STRING BETWEEN TOW PARALLEL DP-BRANES IN THE NEUVEU-SCHWARZ MODEL 

    HAMAM, D; BELALOUI, N (Université des Frères Mentouri Constantine, 2013-12-16)
    We propose the previous study of the spinning string theory between tow parallel Dp-branes. This permits us to see that the important of D-branes in string theory. The spectrum have been found and the tachyonic states ...
  • L’EVOLUTION HYDRODYNAMIQUE DES AFTERGLOWS POUR LE MODELE DE FENG., ET AL (2002) 

    Zouaoui, E; Fouka, M; Ouichaoui, S (Université des Frères Mentouri Constantine, 2013-12-16)
    Dans ce travail nous allons étudier l’évolution hydrodynamique des afterglows dans le modèle de la boule de feu qui a été établi par Feng en 2002, ce dernier a pris la réalité de l’efficacité de rayonnement qui varie ...
  • PHYSICAL CONCEPT APPLIED TO SPACE OBSERVATION BY LANDASAT 7 TM 

    TOUMIAT, C; BOUAFIA, M (Université des Frères Mentouri Constantine, 2013-12-16)
    Physical concept has been applied to space observation by using images and data of LANDASAT 7 in order to to extract quantitative information about the studied areas facilitate . the final product should respect a norm ...
  • THE KLEIN-GORDON EQUATION WITH TIME DEPENDENT LINEAR POTENTIAL 

    BETROUCHE, M (Université des Frères Mentouri Constantine, 2013-12-16)
    We use Feshbach-Villars formalism and time dependent unitary transformation to solve Klein-Gordon equation with time dependent linear potential. In the adiabatic approximation a geometric amplitude factor is obtained
  • ETUDE DE L’ENERGIE CINETIQUE LA PLUS PROBABLE DES FRAGMENTS DANS LA FISSION THERMIQUE DE L'URANIUM 233 

    RAKED, A; Radjai, M (Université des Frères Mentouri Constantine, 2013-12-16)
    Notre travail a pour objectif l’étude de l’influence de l'évolution de l’énergie potentielle collective minimale au point de scission en tenant compte des effets microscopiques dans l’énergie de déformation sur la valeur ...
  • MEASUREMENT OF NATURAL RADIOACTIVITY BY GAMMA SPECTROMETRY PRESENT IN ENVIRONMENTAL SAMPLES 

    BRAMKI, A; RAMDHANE, M; BENRACHI, F (Université des Frères Mentouri Constantine, 2013-12-16)
    The natural radioactivity is omnipresent everywhere in the Earth’s crust. The ground is not composed solely of organic and inorganic matter, but also radio nuclide like uranium, thorium, radium and potassium-40.These ...
  • ETUDE DE LA DETECTION DES NEUTRINOS TAU COSMIQUES 

    BOUSSAHA, B; BENCHOUK, C (Université des Frères Mentouri Constantine, 2013-12-16)
    Uniquement soumis à l’interaction faible. Mais pourtant les neutrinos contiennent des informations cruciales sur la composition de l’Univers, et la compréhension de leurs propriétés [1]. Le travail qui suit est une ébauche ...
  • TUNNELING EFFECT AND SOME ASPECTS OF DE SITTER-SCWARCHILD UNIVERSE 

    CHOUDER, B (Université des Frères Mentouri Constantine, 2013-12-16)
    Using the tunneling effect method near the black hole horizon and the WKB approximation for both fermionic and bosonic particles, some aspects are shown and discussed in a de Sitter-Schwarchild space-time type
  • NEW INSIGHTS FROM 331 GAUGE MODEL BARYOGENESIS 

    BOUBAKIR, A; AISSAOUI, H (Université des Frères Mentouri Constantine, 2013-12-16)
    Using the economical 331 gauge model, various baryogenesis scenarios are presented. The first order phase transition is also discussed
  • HOW CAN WE EXPLAIN THE MUON MAGNETIC DIPOLE MOMENT EXCESS FROM 331 MODELS? 

    LAIFA, K; BENABBES, O (Université des Frères Mentouri Constantine, 2013-12-16)
    Using the various 331 classified models, the muon magnetic dipole moment is calculated and the excess between the theory and experiment is explained
  • SOME ASPECTS OF FINSLER COSMOLOGY 

    MALKI, A (Université des Frères Mentouri Constantine, 2013-12-16)
    Finsler cosmology is reviewed and new aspects in explaining the accelerated expansion of the universe are shown
  • SOME VIABLE MODELS FROM CANONICAL QUANTUM GRAVITY 

    BOUNEKDJA, B (Université des Frères Mentouri Constantine, 2013-12-16)
    Some models using the canonical approachs of quantum gravity are constructed. Viability of these models once applied to cosmology are discussed
  • ONE LOOP RADIATIVE CORRECTIONS VIA GAUGED UNPARTICLES AND APPLICATIONS 

    TAIBI, H (Université des Frères Mentouri Constantine, 2013-12-16)
    Some applications of gauged unparticles carrying the standard model quantum numbers through one loop radiative corrections are discussed. Higgs deay modes are also presented
  • NEW QUANTUM ARITHMETIC AND LOGIC GATES 

    SLIMANI, A; MEBARKI, N (Université des Frères Mentouri Constantine, 2013-12-16)
    A new quantum arithmetic and logic gate with good performance properties like the Qcost and Qdelay is developed. As an application, a new reversible comparator is constructed
  • HIGGS PHYSICS FROM NCG AND APPLICATIONS 

    CHADOU, I; BEKLI, M.R (Université des Frères Mentouri Constantine, 2013-12-16)
    Some aspects and signatures of the Higgs physics from no commutative geometry are presented. Phenomenological applications are also discussed and commented
  • SOME PHENOMENOLOGICAL ASPECTS OF NON COMMUTATIVE 331 MODEL 

    HARRAT, M (Université des Frères Mentouri Constantine, 2013-12-16)
    Some new features of the recently proposed model based on the Frohlich- Chamssedine approach to non commutative geometry for the 331 model are presented and some phenomenological aspects are discussed
  • CLASSIFICATION OF LOOP QUANTUM GRAVITY APPROACHES 

    BENCHEICH, S (Université des Frères Mentouri Constantine, 2013-12-16)
    Models of loop quantum gravity are classified according to their mathematical constructions and some applications to quantum cosmology are also discussed

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