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  • SILVA, Walison Yan Aparecido da; http://lattes.cnpq.br/3077039348737036 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2023-06-30)
  • PALOMINO, Neil Lizander Goyzueta; http://lattes.cnpq.br/8047516547443011 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2023-08-28)
    The main properties of the dynamics of matter fields in spherically symmetric spacetimes have been analyzed in this work,to do this, we take into account the metric for the different space-times, which will be encoded ...
  • CESAR, Alan de Gois; http://lattes.cnpq.br/8749324952598568 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2022-03-03)
    A gravitational collapse model is constructed by analyzing the evolution of a hypersurface that separates two regions of a manifold. A Vaidya type metric is used for the exterior region and for the interior region the ...
  • SALAZAR, Joaquín Eduardo Llanos; http://lattes.cnpq.br/3475850694023202 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2022-12-16)
    One of the posible explanations for the accelerated expansion of the universe is the existence of dark energy. Different mathematical models have been proposed for it, among those models the simplest one is that which ...
  • SANTANA, Leandro; http://lattes.cnpq.br/7320009315739681 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-08-27)
    In this dissertation, after a brief review of the elements present in differential geometry, we present Penrose’s Singularity Theorem (1965) and rewrite it from the perspective of disformal transformations. Without ...
  • CARVALHO, Celso Henrique Corrêa; http://lattes.cnpq.br/8948213264177426 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-03-06)
    NGC 6445 is a planetary nebula that has been the target of only a few specific studies. In this work, our aim is to complement the studies carried out until now, analyzing the spatial distribution of the optical emission ...
  • DIAS, Ranulfo da Silva; http://lattes.cnpq.br/0504152872750536 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-02-08)
    The Glioblastoma Multiforme (GBM) is an aggressive brain cancer with a low survival rate. Non-invasive brain stimulation is a promising approach for treating GBM, but there is still much to be learned about its effectiveness ...
  • SIQUEIRA, Marcos Felipe Faria Terra; http://lattes.cnpq.br/9980188384470104 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-03-05)
    Differential spectrophotometry of transiting Hot-J´upiters has shown to be a promising technique to characterize the upper atmosphere of these planets, without the necessity of spatially resolving it from its host star. ...
  • RANA, Rodrigo Galhardo; http://lattes.cnpq.br/3353555630220552 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-12-16)
    In this work we study the main properties and algebraic structures of the conformal field theories. In particular, we consider classical and quantum field theories for free bosonic and fermionic systems with differents ...
  • SILVA, Marcos Paulo Cyrillo da; http://lattes.cnpq.br/7290132565016810 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2023-07-03)
    Titanium dioxide (TiO2) is a highly investigated semiconductor material renowned for its exceptional optical and catalytic properties, making it an ideal candidate for various applications, including sensors, antibacterial ...
  • ALMEIDA, Anderson Silva de; http://lattes.cnpq.br/3469752290808469 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2022-07-29)
    With the publication of the Gaia catalogue, and with the existence of automated isochrone fitting methods, the study of open clusters has undergone major advances in recent years. Its fundamental parameters have been, ...
  • ROCHA, Carla Ribeiro Rodrigues da; http://lattes.cnpq.br/8707543280359038 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2022-06-30)
    After a review of Quantum Electrodynamics and the calculation in detail of the cross section associated with the Compton scattering effect, in this dissertation, we present the calculations of the Compton scattering cross ...
  • MARQUES, Bárbara Luiza de Miranda; http://lattes.cnpq.br/8252593637622853 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-08-10)
    In this work, four planetary nebulae (PNe) were studied through the analysis of integral field spectroscopy (IFS) data, obtained in one of the four telescopes that form the Very Large Telescope (VLT, European Southern ...
  • BRITO, Monique Marques de; http://lattes.cnpq.br/4896765034122506 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-08-24)
    Planetary nebulae (PNe) and HII regions represent important tools with regard to determining chemical abundances and exploring radial abundance gradients in spiral galaxies. Both objects configure stellar populations with ...
  • SANTOS, Maria Eduarda Antunes dos; http://lattes.cnpq.br/6244647057170283 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2024-02-29)
    This work analyzed the behavior of an inflationary model driven by a scalar field with a polynomial potential. For that, it was analyzed a monomial potential type and then an investigation of effects due to an introduction ...
  • SANTOS, Patricia Maria dos; http://lattes.cnpq.br/5762476423634852 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-10-15)
    Planetary Nebulae (PNe) are objects of very complex morphologies and the details of their spatial structure formation are still object of investigation. There are few works that take into account the three-dimensional ...
  • FERREIRA JUNIOR, Alexsandre Leite; http://lattes.cnpq.br/0375563373339784 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-08-31)
  • FÉBBA, Davi Marcelo; http://lattes.cnpq.br/1045376122168899 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2018-06-28)
    The accurate knowledge of the solar cells parameters dependence on irradiance and temperature is of vital importance for the performance assessment of photovoltaic modules and development of new devices. Many works have ...
  • MORAIS, Eliane Aparecida; http://lattes.cnpq.br/4479225663957889 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-07-23)
    In this work, the properties of electric transport and the Rashba effect were investigated in p type PbTe / Pb0.9Eu0.1Te quantum wells, with and without BaF2 doping, with 10nm thickness. The measurements were carried out ...
  • ALVES, Daniel da Cruz; http://lattes.cnpq.br/5359935077469239 (Universidade Federal de ItajubáBrasilIFQ - Instituto de Física e QuímicaPrograma de Pós-Graduação: Mestrado - FísicaUNIFEI, 2020-03-13)
    In this work, a study of the photoconductivity effect was carried out on two PbTe single quantum well samples, p-type, 10 and 20 nm grown on a BaF2 substrate. Photoconduction measurements were carried out in a temperature ...