Navegação Mestrado em Física. por título

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  • LUNA, G. C.; http://lattes.cnpq.br/8615120041846954; LUNA, Gabriela Coutinho. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-02)
    Acoustic black hole study resembles the gravitational black hole as follows: we verify Hawking radiation phenomenon the presence of an event horizon, the possibility to calculate its temperature, also known as Hawking ...
  • CAVALCANTI, A. G.; http://lattes.cnpq.br/6554424252007231; CAVALCANTI, Arthur Gonçalves. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-02)
    The general relativity theory predicts black hole type solutions, which are characterized by the existence of an event horizon. As an example, the metric obtained by Ba~nados- Teitelboim-Zanelli (BTZ), which is a soluton ...
  • SILVA, W. M. S.; http://lattes.cnpq.br/6952672950623262; SILVA, Waldson Marcelo dos Santos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2010-12-03)
    In this work we study domain wall solutions in models of coupled real scalar fields involving Z2 × Z3 symmetry in a non supersymmetric model. We explore the idea of a network of domain walls appearing in a surface of a ...
  • SILVA, P. J. F.; http://lattes.cnpq.br/9421886341832591; SILVA, Patrício José Félix da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2009-03-09)
    The main role of a coordinate systein is to localize the event-s of spacetime with respect to a frame of reference. The construetion of a coordinate systein depeuds crucially on the notíon of simultaneity associated to ...
  • 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 ...
  • FIRMINO, J. G.; http://lattes.cnpq.br/1871156219030332; FIRMINO, José Gonzales. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013)
    A brief introduction to the fundamental ideas of quantum theory is presented. The main attempts to obtain a phase Hermitian operator is mentioned as well as the difficulties related to the number-phase uncertainty. An ...
  • FIGUEIREDO, C. A. O. B.; http://lattes.cnpq.br/3927992223541417; FIGUEIREDO, Cosme Alexandre Oliveira Barros. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013-02-25)
    Thermospheric wind and temperature have been observed by two OI630 nm Fabry- Perot Interpherometers installed at Sao Joao do Cariri (7.4 ° S, 36.5 ° W) and Cajazeiras (6.9 ° S, 38.6 ° W), Paraiba. In the present work, ...
  • SANTOS, J. G. S.; http://lattes.cnpq.br/2622202806337353; SANTOS, João Gustavo da Silva. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-07)
    We develop in this work, a the or etical study of the application of theThermo eld dynamics on the model of Jaynes-Cummings. According to the approach taken by Hashizu me in the article, A new perspective to formulate 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 ...
  • 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 ...
  • BARROS, N. S.; http://lattes.cnpq.br/1192716127505034; BARROS, Naiara de Souza. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2016-08)
    This paper presents an analysis of the first two protocols to be proposed for a secure key exchange. The first protocol was implemented by Bennett and Brassard in 1984, presently known as BB84 and the second protocol is ...
  • POUX, A.; POUX, Armelle. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2013)
    Condensed Matter physics is a branch of Physics which includes the laws of quantum mechanics, electromagnetism and statistical mechanics. In this area, we consider a two-dimensional electron gas (2DEG), which can be ...
  • FREITAS, M. L.; http://lattes.cnpq.br/8725808112376451; FREITAS, Mayara de Lima. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2014-08-27)
    The manipulation of the potential acting on the electron in semiconductor surfaces from creating heterostructures that generate variable mass systems, has been of fundamental importance for the development of ...
  • BATISTA, S. O. S.; http://lattes.cnpq.br/5345709180299932; BATISTA, Sérgio Orlando de Souza. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2012-08-31)
    In this study, nickel ferrite (NiFe204) plus nickel oxide (NiO) nanocomposites were synthesized by chemical routes: combustion reaction at 500 0 C, and Pechini method at 700, 900 and 1100 0 C. X-ray diffractometry (XRD) ...
  • SANTOS, P. V.; http://lattes.cnpq.br/3951800799770483; SANTOS, Priscila Valdênia dos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2011-02-04)
    In this work we fix our attention to the impact of a term such as CPT - odd Chern - Simons or CFJ model in classical and quantum electrodynamics (QED) in (3+1) dimensions. From the classical point of view, we conducted ...
  • SILVA, A. E. L.; http://lattes.cnpq.br/6004863566015158; SILVA, Antonio Edenilton Leite da. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2022-04-06)
    Knowing and deciphering the origin and future of the universe is a constant challenge that has led researchers to develop several techniques in order to analyze and understand it more and more. Radio astronomy, for example, ...
  • SANTOS, L. E. A.; http://lattes.cnpq.br/4658267293374624; SANTOS, Luís Eduardo Araújo. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2014-08-29)
  • MOREIRA, I. O.; http://lattes.cnpq.br/0655276280171363; MOREIRA, Ivânderson Oliveira. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2018-07-26)
    Topological defects are solutions of differential equations that connect distinct confi gurations of a system. For one-dimensional models these solutions are called kinks. In this work we will study the twist-like solutions, ...
  • 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 ...

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