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Browsing Mestrado em Física. by Issue Date

Browsing Mestrado em Física. by Issue Date

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  • GOMES, F. E.; http://lattes.cnpq.br/3985351707213648; GOMES, Fábio do Egito. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2009-02-13)
    In this work was investigated the occurrence of 3-4day oscillations in the 015577, O2b(0-1) and OH(6-2) mesospheric airglow emissions between January 1998 and July 2007, which have been attributed to ultra-fast Kelvin ...
  • SILVA, P. J. F.; http://lattes.cnpq.br/9421886341832591; SILVA, Patrício José Félix da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2009-03-09)
    The main role of a coordinate systein is to localize the event-s of spacetime with respect to a frame of reference. The construetion of a coordinate systein depeuds crucially on the notíon of simultaneity associated to ...
  • LOURENÇO NETO, Miguel.; http://lattes.cnpq.br/3740677077420813; LOURENÇO NETO, Miguel. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2009-03-23)
    In this work we treated of the representation of systems composed in the quantum mechanics, especially, the generalization of the geometric representation of a qubit in the sphere of Bloch, for n-qubits in a sphere to which ...
  • FREIRE, M. L. F.; http://lattes.cnpq.br/6756464691141246; FREIRE, Morgana Lígia de Farias. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2009-08)
    We study the mesons matter D − ¯D in the framework of σ and ω meson exchange model using Walecka’s mean field theory. We choose the chemical potential as zero then we get ω0 = 0 and the field σ is given by a ...
  • SILVA, A. A.; http://lattes.cnpq.br/6096764490591903; SILVA, Alex de Albuquerque. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2009-11-05)
    The space-time seems to have four dimensions according to our common sense. However there are reasons, from the viewpoint of theoretical physics, to believe in the existence of extra dimensions. But if there are extra ...
  • H.H.B. Silva; http://lattes.cnpq.br/4585277872014594; SILVA, Heydson Henrique Brito da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010)
    An intriguing question in physics today is that some theories propose that the existence of a number of dimensions higher than observed physically. One of these theories is the Superstring Theory, which provides a universe ...
  • SOUSA, R. V.; http://lattes.cnpq.br/1699517976589477; SOUSA, Ramon Viana de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-03-31)
    This work aimed to objective calculate the speed of plasma bubbles's vertical growth at Sao Joao do Cariri (7.4°S, 36.5 0 W, 12.25°S de dip latitude) for the period September to November 2005. For this, we used the optical ...
  • MARINHO, André Afonso Araujo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-04-30)
    We address the issue of generalizing the thermodynamic quantities via q-deformation, i.e., through the q-algebra which describes q-bosons and q-fermions. The motivation for our study is the lack of a full understanding ...
  • ARAÚJO, J. A. S.; http://lattes.cnpq.br/3345833863702818; ARAÚJO, José Arimateia dos Santos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-08-27)
    In this paper is studied the Schwarzschild black hole in the presence of a global monopole, and the effects that this kind of topological defect brings to the spacetime geometry. Initially, using the metric which describes ...
  • NASCIMENTO, M. S. P.; http://lattes.cnpq.br/7929816061251245; NASCIMENTO, Marcio Siqueira Pequeno. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-11-17)
    In the theory of inflationary cosmology, which has as reference the observed universe, the gravitation force is always attractive. There was never any firm evidence of "anti-gravity" in the laboratory or stellar ...
  • SILVA, W. M. S.; http://lattes.cnpq.br/6952672950623262; SILVA, Waldson Marcelo dos Santos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-12-03)
    In this work we study domain wall solutions in models of coupled real scalar fields involving Z2 × Z3 symmetry in a non supersymmetric model. We explore the idea of a network of domain walls appearing in a surface of a ...
  • VASCONCELOS, K. C.; http://lattes.cnpq.br/4662704616406752; VASCONCELOS, Kelder Cavalcanti de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-12-22)
    I n the context of extra dimensional theories, the braneworld RSII model has attracted much interest. According to this model, our universe is a four-dimensional hypersurface embedded i n an ambient space w i t h a ...
  • BRAGA, Renato P.; http://lattes.cnpq.br/3168346886338733; BRAGA, Renato Pereira. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011)
    In this work we studied the behavior of non-relativistic and relativistic free quantum particles in the space-time generated by a global monopole with cosmological constant. We found the energy spectra for that system ...
  • AGRA, K. L.; http://lattes.cnpq.br/3439888539159944; AGRA, Kennedy Leite. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011)
    There are two main objectives of this work. The first was to test the feasibility of using the technique of photoacoustic spectroscopy in the investigation of some physical properties of cotton fibers, a very di ...
  • SANTOS, P. V.; http://lattes.cnpq.br/3951800799770483; SANTOS, Priscila Valdênia dos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-02-04)
    In this work we fix our attention to the impact of a term such as CPT - odd Chern - Simons or CFJ model in classical and quantum electrodynamics (QED) in (3+1) dimensions. From the classical point of view, we conducted ...
  • EMANUEL, C.; http://lattes.cnpq.br/2899810853023794; CUNHA, Emanuel. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-03-30)
    We investigate the mesons matter D*+D*~ in the relativistic mean field theory including the mesons exchange a, 77 and cj) among D*s + and D*~. We get the quantization of the vector field D*s in interacting field and get ...
  • SOUZA, J. J. C.; http://lattes.cnpq.br/5815486961225932; SOUZA, José Jacinto Cruz de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-04-18)
    The study of quantum systems in the space with several topologies has been investigated in different areas of the physics as, for example, in the gravitation and in the condensed matter physics. The change in the topology ...
  • GAMA, F. J. A.; http://lattes.cnpq.br/9165831518410079; GAMA, Fernando José de Almeida. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-04-29)
    We study the meson’s matter π+ and π− at finite temperature and zero chemical potential in the relativistic mean field theory (MFT) including the mesons exchange ρ and σ among π+ and π−. We get the mean ρµ field is zero. ...
  • SILVA, J. L.; http://lattes.cnpq.br/0351498074862272; SILVA, Jardél Lucena da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-06-30)
    In this work we use the first-order framework to get cosmological solutions in a braneworld scenario in which our quadridimensional Universe is considered like a 3-brane embedded in a five-dimensional bulk. We consider ...
  • SERAFIM, W; http://lattes.cnpq.br/5318769459081213; FREIRE, Wellington Romero Serafim. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-07-22)
    In this work we study the behavior of static eletric and magnetic fields coupled to a dieletric function with intent to obtain an eletrical confinement similar to what happens with the field of gluons that bind quarks in ...

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