Mestrado em Física.: Recent submissions

  • CARVALHO, F. O.; http://lattes.cnpq.br/6111148396221283; CARVALHO, Felipe Oliveira de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-02-28)
    In this work we did a review about scalar fields and we approached the deformation method, we analyzed kink and lump type solutions and we highlight some of its characteristics. We present the construction of a four field ...
  • MATEUS, A. E.; http://lattes.cnpq.br/1713329736377595; MATEUS, Anderson Evangelista. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-03-16)
    One of the theories that has been taking shape in recent years, both in theoretical and experimental aspects, is the idea that Lorentz’s symmetry can be violated in the high energy regime, on the Planck scale. It seems ...
  • SILVA, I. A.; http://lattes.cnpq.br/7102315332585337; SILVA, Ione Almeida. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-05-29)
    Analytic solutions associated with nonlinear differential equations are present in the context of classical field theory. In this dissertation, we made a review covering the main concepts on one dimensional defect like ...
  • FERREIRA, E. J. B.; http://lattes.cnpq.br/6612628477862818; FERREIRA, Éwerton Jéferson Barbosa. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-02-17)
    The Robert Brown (1828) observations about pollen grains random movement marked the beginning of the currently phenomenon called by Brownian Motion which to referyourself random displacement a particle perform in a ...
  • CUSTODIO, M.; CUSTODIO, Mirian. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-06-28)
    Solutions which come from nonlinear differential equations are part of the classical field theory, such solutions also remember the behavior of solitary waves and can be stable or unstable. They are also known as defect and ...
  • SOUSA, M. F.; http://lattes.cnpq.br/3703428780794970; SOUSA, Marcos Faustino de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019)
    Graphene is a two-dimensional crystal consisting of a hexagonal network of carbon atoms, consisting of two subnetworks. The electronic properties arise as a consequence of the linearity in the dispersion relation of the ...
  • CHINGARANDI, F. S.; http://lattes.cnpq.br/3185547940125956; CHINGARANDI, Frank Simbarashe. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018)
    Nightglow images of an all-sky imager from all over the sky installed in São João do Cariri (7.4° S, 36.5° W), from January to December 2005, were used to study almost orthogonal gravitational waves. These are gravity ...
  • ANDRADE, R. M. F.; http://lattes.cnpq.br/9968563724645486; ANDRADE, Ronaldo Marcelino Felix de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-08)
    Scalar fields have a range of applications in various contexts, one of which is in condensed matter with defects. These defects appear naturally through the presence of phase transitions at the beginning of the universe. ...
  • DARE-IDOWO, O.; DARE-IDOWU, Oluwakemi. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-07-05)
    Investigation on sources of gravity waves observed in the Brazilian equatorial region on April 8, 2005. On 08 April 2005, a strong gravity wave activity (more than 3 hours) was observed in São João do Cariri (7.4oS, ...
  • BEZERRA, M. J. R.; http://lattes.cnpq.br/3897124422269452; BEZERRA, Mário José Rodrigues. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-08)
    In this Dissertation we consider the influence of the quantum potential on the planar vortex in a 2 + 1-dimensional problem for the non-linear Schr¨odinger equation (Jackiw-Pi model) that interacts with the Chern-Simons ...
  • SANTOS, K. O.; http://lattes.cnpq.br/8459927660667894; SANTOS, Kleiton Oliveira. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-07-30)
    Due to the notoriety of açaí being rich in functional biomolecules, this work is motivated by the need to investigate this fruit as a good source of anthocyanins. THE This dissertation is developed by searching for answers ...
  • ARAUJO, M. D. C.; http://lattes.cnpq.br/1986399659503870; ARAUJO, Maria Danieli Clementino. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-05)
    In this work, we analyze the BNRT model of two scalar fields for the BPS e non-BPS sectors. We use the trial orbit method to calculate the solutions of both model sectors and investigated closed orbit for the non-BPS sector. ...
  • SANTOS, F. B. M.; http://lattes.cnpq.br/3872042232184394; SANTOS, Felipe Bruno Medeiros dos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-03-15)
    In this work, we will study the properties of cosmological models with a non-minimal coupling of a scalar field with the geometry, with a screening mechanism, more specifically the symmetron mechanism, which makes the field ...
  • SANTOS, R. S.; SANTOS, Romário da Silva. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-11-12)
    The universe is currently in a phase of accelerated expansion, a fact that was proven experimentally in the late 90’s by two independent research groups. The cosmological models involving scalar fields allow the description ...
  • PEREIRA, K. F.; http://lattes.cnpq.br/2858228794366932; PEREIRA, Kelven Felix. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-08)
    Cosmological models are used to describe a phase of cosmic expansion, thus it manifests as a very promising alternative for the study of cosmic inflation and dark energy. This dissertation is based on the application of ...
  • GOIS, J. P. L.; GOIS, João Paulo Lopes. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-10-02)
    In this work, we considered the proposition that the spontaneous Lorentz invariance violation (sLIV) is related to extra dimensions compactification, described by a vector “aether” field, where such compactification is ...
  • ANNEY, E. A.; http://lattes.cnpq.br/5576146059828349; ANNEY, Elijah Anertey. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018)
    Superconductivity is defined by the ability of certain materials to conduct electric current with no resistance. This capacity produces interesting and potential useful effects. One of the most notable effects ...
  • PAULINO, J. L.; http://lattes.cnpq.br/0411299192004411; PAULINO, José Leonardo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2017-04-27)
    Our observable universe is said to be (3+1)-dimensional. However, it’s believed that certain properties observed in nature may be the result of extra dimensions, almost as an “invisible inheritance”. Among such properties ...
  • SILVA, K. V. R. A.; http://lattes.cnpq.br/6320050513779651; SILVA, Kamilla Veronika Rodrigues de Andrade. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-07)
    X-ray surface brightness of galaxy clusters, cosmic opacity and limits on the matter density parameter. In recent years, many tests have been proposed to verify the existence of some cosmic opacity sources in astronomical ...
  • ROCHA, J. C. M.; http://lattes.cnpq.br/5491049946608713; ROCHA, Julio Cesar Marques da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2017-07)
    In this thesis we address the issue of inflation driven by a tachyonic field. After a brief immersion in standard cosmological theory, we study aspects of inflationary theory and discover how a tachyon field can be used ...

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