Mestrado em Física.: Recent submissions

  • LOMOTEY, S. O.; http://lattes.cnpq.br/8742385696988982; LOMOTEY, Solomon Otoo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-08-12)
    Thermospheric wind measurements from Fabry-Perot interferometers located at São João do Cariri (7.4°S; 36.5°W) and Cajazeiras (6.9°S; 38.6°W) with both having geomagnetic coordinates (35.8°E; 0.48°N) were investigated for ...
  • COSTA, S. S.; http://lattes.cnpq.br/1357787437194831; COSTA, Simony Santos da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2015-03-13)
    The so-called reciprocity relation, proved long ago by Etherington (1933), is of fundamental importance in cosmology. It states that if the source and the observer are in relative motion, solid angles subtended between the ...
  • FERREIRA, Raquel Luana Cavalcanti.; http://lattes.cnpq.br/3610716279494939; FERREIRA, Raquel Luana Cavalcanti. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-03-11)
    Semi conductor lasers are optical devices used in some field of researches, such as atomic physics and spectros copy, in technologic al applications for being optical devices very approach able if compared to others types ...
  • MOREIRA, Raoni S. N.; http://lattes.cnpq.br/8503926167036332; MOREIRA, Raoni Sávio de Negreiros. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2012-03-05)
    Here we report a theoretical model based on Green’s functions and on techniques of the theory of averaging that describes the dynamics of parametrically-driven oscillators under the action of additive thermal noise. Our ...
  • SANTOS, P. S.; http://lattes.cnpq.br/7012810287403197; SANTOS, Priscila da Silva. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2015-03-27)
    In This study we analyzes the gravity uctuations in a topological defect, domain wall type, coupled to a four-dimensional gravity on a 3-brane in Minkowski space (M4) or anti de Sitter (AdS4). Introduced the concept of ...
  • OLIVEIRA, P. S. P.; http://lattes.cnpq.br/7235736507917567; OLIVEIRA, Paulo Sérgio Pereira de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2012-05-17)
    Here, we studied experimentally, via analog electronic circuits, the dynamic behavior of the parametric oscillator, specifically the phenomena of parametric resonance and parametric amplification. Initially, we made a ...
  • RIBEIRO, P. R. T.; http://lattes.cnpq.br/7983070481017845; RIBEIRO, Pablo Rafael Trajano. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013-04-11)
    The studied material consists of a nanoparticle system of nickel ferrite, nickel oxide and hematite, or NiFe2O4 + NiO + Fe2O3, prepared by the Pechini method through the synthesis of the precursors iron nitrate, ethylene ...
  • OLEGARIO, P. W. V.; http://lattes.cnpq.br/3066224597689395; OLEGÁRIO, Pablo Wagner Vasconcelos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2014-09-05)
    It is a consensus that the Standard Model is not the last word in particle theory elentares because it does not answer several pertinent questions, which we can exemplify: quantization of charge, mass for neutrinos, number ...
  • TRIGUEIRO NETO, O.; http://lattes.cnpq.br/0729579154837308; TRIGUEIRO NETO, Osvaldo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018)
    In the present work, green, red, orange, purple, white and yellow varieties of bell pepper (Capsicum L. annuum) samples were analyzed. These analyzes were done through two different spectrometers, one being a Photoacoustic ...
  • NYASSOR, P. K.; http://lattes.cnpq.br/2030465779711239; KWAMLA, Nyassor Prosper. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2017-02-22)
    Mesospheric nightglow intensity measurements from São João do Cariri (7.40𝑆�,36.50𝑊�) in the equatorial region were studied to characterize gravity waves in at least, two different airglow emission layers. The data set ...
  • CAVALCANTE, N. J. N.; http://lattes.cnpq.br/8780913465872004; CAVALCANTE, Neymar José Nepomuceno. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2012-03-30)
    In the present study we mainly consider the application of string theory and conformal eld theory in order to make a microscopic description of black holes or more precisely of Kerr-de Sitter spaces in three dimensions. ...
  • 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 ...
  • CRUZ, M. B.; http://lattes.cnpq.br/5387489505960742; CRUZ, Messias de Brito. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2015-07-31)
    In this thesis we studied the axial gravitational perturbations to the self-dual black hole spacetime. This class of black holes is spherically symmetric, it arises from loop quantum gravity, and it has an interesting ...
  • SANTOS, A. F.; http://lattes.cnpq.br/0430451017824726; SANTOS, Andréa Freire dos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-08-02)
    The processing of information at the atomic level faces a problem which is decoherence. During the interactions with an environment, a composite system suffers different changes that can only be represented by its density ...
  • SANTOS, A. S.; http://lattes.cnpq.br/1168842345169901; SANTOS, Alexsandro Silva. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-08-02)
    At the Douglas-Kroll-Hess level, the B3PW91 hybrid functional along with relativistic all-electron basis sets are used to evaluate geometric parameters, binding energies, vertical ionization potentials and electron affinities, ...
  • VENÂNCIO, J. R. C.; http://lattes.cnpq.br/4946546333756623; VENÂNCIO, José Robson da Costa. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-08-02)
    At the second order Douglas-Kroll-Hess (DKH2) level, the B3PW91 functional in conjunction with the relativistic all-electron basis set of valence triple zeta quality plus polarization functions are employed to compute bond ...
  • MELO, G. M. S.; http://lattes.cnpq.br/2762624266789409; MELO, Guacira Manauara de Souza. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-09-19)
    In considering the polarization and coherence properties of light as the most investiga- ted, both for helping to understand many phenomena of interference and for having large technological applicability, it was recently ...
  • SANTOS, Maria Aparecida dos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2014-02)
    Taking into consideration the set of di erent approaches to the Universe existent today this work focuses on standard cosmology and in ationary expansion of the said using scalar elds to describe the expansion acceleration ...
  • CORDEIRO NETO, L.; http://lattes.cnpq.br/0155279032656342; LIMA NETO, Luiz Cordeiro de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013-03-26)
    This work presents complementary elements of training at the master’s degree level in Physics. We discussed, mainly, aspects of General Relativity and Quantum Field Theory. In details we expounded the obtaining of ...
  • CARDOSO, M. V.; http://lattes.cnpq.br/3932814734779771; CARDOSO, Marcílio Veras. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013-03-27)
    In this work we make quantum corrections to the potential of a classical theory with symmetry ZN with the intention of understanding the effects quantum of theory via the radiative corrections of effective potential in ...

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