Navegação Mestrado em Física. por título

Classificar por: Ordenar: Resultados:

  • 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 ...
  • NASCIMENTO, L.; NASCIMENTO, Luciano. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2022-07-22)
    In this dissertation, we will study the effects of quantum and thermal fluctuations in dielectric material media. The basic idea here will be to consider a pulse of light, called a probe pulse, passing through a sample ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • DINIZ, L. A.; http://lattes.cnpq.br/3735696770849910; DINIZ, Leandro Araújo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2019-03-01)
    In recent years, there has been growing interest in studies that address noncommutative geometry applied to space-time in some cosmological scenarios. This dissertation seeks to present an introduction to some aspects of ...
  • LIMA, A. A.; http://lattes.cnpq.br/0131233828901276; LIMA, Anderson Alves de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013-02-20)
    By applying a magnetic field perpendicular to a two-dimensional conductive plate traversed by electrical current, we found a deviation of electric charges to one of the edges. Thus, theotheredgewillbeelectricallychargedw ...
  • ACIOLE, G.; http://lattes.cnpq.br/0581305131525676; RODRIGUES, Gilson Aciole. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-09-28)
    The influence of screw dislocations in quantum systems has received considerable attention in recent years. Some works are based on the geometric theory of defects in semiconductors and developed by Katanaev Volovich. ...
  • DA SILVA LEITE, L.G.; http://lattes.cnpq.br/4773124449888788; LEITE, Lázaro Genilson da Silva. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2015-02)
    This work is devoted to the study of eletronic transport in low-dimensional quantum systems. We studied the graphene which is a material formed by a single layer of carbon atoms in hybridization state sp2, and shows a ...
  • PIMENTEL, P. S.; http://lattes.cnpq.br/6055058422737624; PIMENTEL, Pedro Steinmüller. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2022-05-26)
    With the construction of the BINGO radio telescope, acronym for (Baryon Acoustic Oscillations from Neutral Gas Observations), it will be possible to detect, for the first time, the baryon acoustic oscillations, the English ...
  • SILVA, J. R.; SILVA, José Roberto da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016)
    The Mach–Zehnder interferometer (MZI) is an optical apparatus used, e.g., in engineering and also to test the fundamentals of quantum theory. In this work, we investigate different quantum states of the electromagnetic ...
  • LIMA, T. S. A.; http://lattes.cnpq.br/8253237423690860; LIMA, Thais Soares de Andrade. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2021-01-31)
    We approach the φ-CDM cosmological model, in which we consider the scalar field to be tachyon and apply the first order formalism to obtain the equations that describe the dynamics of the Universe. In this model, the tachyon ...
  • MARIANO, E. B.; http://lattes.cnpq.br/9585417426892208; MARIANO, Everlane Batista. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2015-08-26)
    This dissertation aims to gather all possible knowledge about the physics of Liquid Crys tals in a theoretical way. Doing a general review, of the various interesting and diversified information about the Liquid Crystals. ...
  • 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 ...
  • 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, ...
  • LIMA, W. B.; http://lattes.cnpq.br/0610850802611123; LIMA, Wellington Benevenuto de. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2021-10-26)
    The atmosphere works as a protector layer and all the time it is bombarded by meteoroids. When those meteoroids get in the atmosphere, they start to coliding with molecules and pass to disintegrate.This collision process, ...
  • COSTA, F. S. M.; http://lattes.cnpq.br/8938378819014229; COSTA, Felipe Sérvulo Maciel. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2017-11)
    About twenty years ago, two groups of researchers studying the apparent brightness of type Ia super nova e (SNe Ia), independently discovered that the current expansion of the universe is accelerated. This discovery ...
  • COLAÇO, L. R.; http://lattes.cnpq.br/2419513658334819; COLAÇO, Leonardo Ribeiro. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016)
    The most common accepted cosmological theories are base don the assumption that the fundamental constants of nature, suchas the gravitational constant G, the new structure constant α, and others, are infact constant. Thus, ...

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