Mestrado em Física.: Recent submissions

  • NUNES, J. C.; http://lattes.cnpq.br/9980500154563876; NUNES, Johnathon Coelho. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2021-08-26)
    The BINGO radio telescope (Baryon Acoustic Oscillations in Neutral Gas Observations) is a new radio telescope designed to detect Baryon Acoustic Oscillations (BAO), waves generated by the interaction of matter with ...
  • FARIAS, J. C. S. R.; http://lattes.cnpq.br/8341318776183040; FARIAS, Júlio Cézar da Silva Ramos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-03-17)
    In this dissertation, we consider a cosmological setup with inflaton field in the presence of background field dependent redshift time-like to address the inflationary regime and other phases of the Universe. We also ...
  • SANTOS, J. S.; http://lattes.cnpq.br/2844702789704864; SANTOS, Jaiane da Silva. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2021-05-17)
    In this work, we investigate the quasinormal modes for a massive scalar field with a nonminimal coupling with gravity in the spacetime of a loop quantum black hole, known as the Self-Dual Black Hole. In this way, we have ...
  • CARVALHO, B. R.; http://lattes.cnpq.br/4760996445176055; CARVALHO, Bruno Rego de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2021-01-18)
    The theory of general relativity predicts that a sufficiently compact mass can deform space-time to form a black hole. The boundary of the region from which it is not possible to escape is called the event horizon. The ...
  • OLIVEIRA, J. L.; http://lattes.cnpq.br/9826765833255111; OLIVEIRA, Joéslei Lopes de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-10-28)
    In this dissertation, the Sachdev-Ye-Kitaev (SYK) model is approached focusing on its holographic aspect in the nAdS2/nCFT1 correspondence. SYK in particular has some interesting features. It is analytically solvable in ...
  • TORRES, Y. M. O.; http://lattes.cnpq.br/9522490065037187; TORRES, Yohan Mauricio Oviedo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-02-20)
    Inverse Seesaw and implementation in the 331𝑣R model In this work we study the Inverse Seesaw Mechanism through the introduction of six new fields: three right-handed neutrinos and three neutral fermions, singlets by the ...
  • NUNES, I. C.; NUNES, Isaac Cazé. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2020-09-08)
    In this work we build an inertial table on which we mount a cantilever mechanical resonator made of a thin steel rod in order to obtain high values of the quality factor and thus study non-linear vibrations. We use the ...
  • 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 ...

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