استعرض Physique théorique حسب العنوان

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  • LAMB SHIFT IN HYDROGEN-LIKE ATOM INDUCED FROM NON-COMMUTATIVE QUANTUM SPACE-TIME 
    Zaim, S (Université Frères Mentouri - Constantine 1, 2013-12-16)
    In this work we present an important contribution to the non-commutative approach to the hydrogen atom to deal with lamb shift corrections. This can be done by studying the Klein-Gordon equation in a non-commutative ...
  • LE SPECTRE D’ENERGIE DU RING-SHAPED NON-SPHERICAL OSCILLATOR VIA LA METHODE DE PADGETT ET LEACOCK 
    GHARBI, A/H; BOUDA, A (Université Frères Mentouri - Constantine 1, 2013-12-16)
    Dans ce travail nous étudions le Ring-shaped non-spherical oscillator qui est un potentiel non central, séparable en coordonnées sphériques, dans le cadre de la méthode de Padgett et Leacock. L’application de la condition ...
  • LES SOLUTIONS DE SOLITON DE L’EQUATION DRINFEL'D-SOKOLOV GENERALISEE 
    OUAMANE, S (Université Frères Mentouri - Constantine 1, 2013-12-16)
    L'équation de Drinfel'd-Sokolov généralisée est étudiée en utilisant la méthode de la variable fonctionnelle. Cette méthode peut construire les solutions solitaires, des solutions de patterns, des compactons. Nous avons ...
  • L’EVOLUTION HYDRODYNAMIQUE DES AFTERGLOWS POUR LE MODELE DE FENG., ET AL (2002) 
    Zouaoui, E; Fouka, M; Ouichaoui, S (Université Frères Mentouri - Constantine 1, 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 ...
  • MEASUREMENT OF NATURAL RADIOACTIVITY BY GAMMA SPECTROMETRY PRESENT IN ENVIRONMENTAL SAMPLES 
    BRAMKI, A; RAMDHANE, M; BENRACHI, F (Université Frères Mentouri - Constantine 1, 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 ...
  • MUON ANOMALOUS MAGNETIC DIPOLE MOMENT IN GAUGED UNPARTICLES MODEL 
    MEKAHLIA, A (Université Frères Mentouri - Constantine 1, 2013-12-16)
    The muon anomalous magnetic dipole moment in the gauged unparticles model is calculated and the anomalous excess between the standard model theoretical predictions and the experiment is explained
  • NEW APPROACHS TO THE GEOMETRICAL CONCEPTS OF THE GRAVITATION THEORY AND APPLICATIONS 
    BENDJOUDI, A; MEBARKI, N (Université Frères Mentouri - Constantine 1, 2013-12-16)
    A new approach generalizing the geometrical concepts describing gravity is proposed. As an application, It is shown that the f(R) and other modified theories of gravity are special cases
  • NEW INSIGHTS FROM 331 GAUGE MODEL BARYOGENESIS 
    BOUBAKIR, A; AISSAOUI, H (Université Frères Mentouri - Constantine 1, 2013-12-16)
    Using the economical 331 gauge model, various baryogenesis scenarios are presented. The first order phase transition is also discussed
  • NEW INSIGHTS FROM GAUGED UNPATICLES PHYSICS: DIPHOTON HIGGS DECAY 
    ALIANE, I (Université Frères Mentouri - Constantine 1, 2013-12-16)
    New approach for unparticles carrying standard model quantum numbers is presented. Gauged scalar and fermionic unparticles vertices are also derived. Moreover, as an example, the Higgs decay width to two photons is also ...
  • NEW PRIMORDIAL MAGNETIC FIELD EVOLUTION AND SIGNATURES ON THE CMB SPECTRUM 
    ABDELALI, M.A; MEBARKI, N (Université Frères Mentouri - Constantine 1, 2013-12-16)
    A new scenario for a primordial magnetic field is proposed and its evolution is presented. Signatures on the cosmic microwave background spectrum are also discussed
  • NEW QUANTUM ARITHMETIC AND LOGIC GATES 
    SLIMANI, A; MEBARKI, N (Université Frères Mentouri - Constantine 1, 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
  • NON COMMUTATIVE QCD AND SOME APPLICATIONS 
    BEKLI, M.R; MEBARKI, N; CHADOU, I (Université Frères Mentouri - Constantine 1, 2013-12-16)
    A QCD model based on the Seiberg-Witten non commutative geometry is discussed and some applications to hadronic processes at the LHC and Tevatron are also presented. New bounds on the non commutativity parameter are found
  • ON THE GENERALIZATION OF THE LÉVY-LEBLOND EQUATION FOR A SPIN 3/2 PARTICLE 
    KASRI, Y; BERARD, A; GRANDATI, Y; CHETOUANI, L (Université Frères Mentouri - Constantine 1, 2013-12-16)
    Generalizing the linearization procedure used by Dirac and later by Lévy-Leblond, we derive the first-order non-relativistic wave equation for a particle of spin 3/2 starting from the Schrödinger equation. By the ...
  • ONE LOOP RADIATIVE CORRECTIONS VIA GAUGED UNPARTICLES AND APPLICATIONS 
    TAIBI, H (Université Frères Mentouri - Constantine 1, 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
  • OPEN SPINNING STRING BETWEEN TOW PARALLEL DP-BRANES IN THE NEUVEU-SCHWARZ MODEL 
    HAMAM, D; BELALOUI, N (Université Frères Mentouri - Constantine 1, 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 ...
  • Para-quantum strings and Space-Time Non-Commutativity 
    SERIDI, M.A; BELALOUI, N (Université Frères Mentouri - Constantine 1, 2013-12-16)
    We investigate the light cone parabosonic open and closed string theories in a noncommutative space-time for the coordinates and the momentum.This provides distinct trilinear relations between mass-center variables and ...
  • PATH INTEGRAL FOR THE GENERALIZED JAYNES-CUMMINGS MODEL WITH A PSEUDO HERMITIAN HAMILTONIAN AND NONLINEAR KERR CAVITY 
    AOUACHRIA, M (Université Frères Mentouri - Constantine 1, 2013-12-16)
    We use the coherent state path integral and an angular model for the spin to solve the generalized Jaynes-Cummings model with a pseudo-hermitian Hamiltonian and a nonlinear Kerr cavity. The propagators are given explicitly ...
  • PHYSICAL CONCEPT APPLIED TO SPACE OBSERVATION BY LANDASAT 7 TM 
    TOUMIAT, C; BOUAFIA, M (Université Frères Mentouri - Constantine 1, 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 ...
  • PROPAGATION ET INTERACTION DES RAYONS COSMIQUES D’ULTRA HAUTE ENERGIE 
    RAHEM, N; ATTALLAH, R (Université Frères Mentouri - Constantine 1, 2013-12-16)
    Pour tenter de comprendre l’origine des rayons cosmiques d’énergie extrême, nous avons étudié la propagation et l’interaction de rayonnement cosmique d’ultra haute énergie (> 10 18 eV) dans le milieu interstellaire par ...
  • PURE STATES ENTANGLEMENT ENTROPY IN NON COMMUTATIVE 2D DE SITTER SPACE-TIME 
    GHITI, F; AISSAOUI, H (Université Frères Mentouri - Constantine 1, 2013-12-16)
    The entanglement entropy of pure states is discussed within a cosmological non commutative 2D de Sitter space-time. The obtained results are shown to depend strongly on the sign and values of the non commutativity ...

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