CV Lattes
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Universidade Estadual Paulista (UNESP). Campus de Guaratinguetá. Faculdade de Engenharia (FEG) (Institutional affiliation from the last research proposal) Birthplace: Brazil
bachelor's at Bacharelado Fisica from Universidade de São Paulo (1984), master's at Physic from Universidade Estadual Paulista Júlio de Mesquita Filho (1987) and doctorate at Physic from Universidade Estadual Paulista Júlio de Mesquita Filho (1992). Has experience in Physics, focusing on General Theory of Particles and Fields, acting on the following subjects: dualidade, chern-simons, duality, anyons and yang-lee. (Source: Lattes Curriculum)
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In this work we investigate new descriptions of spin-2 particles which have been recently suggested in the literature and futher suggestions to be made here. The problem is addressed from two point of views. First we try to classify physically sensible theories in D=4 dimensions starting with a 2nd rank tensor with at most two derivatives in the Lagrangian (2nd order models). In the secon…
Aquisição de um software de comunicação visando dotar as bibliotecas de Engenharia da UNESP de infraestrutura que possibilite sua integração á redes de bibliotecas para troca de documentos por via eletrônica. Possibilitando pesquisas correntes em retrospectivas, em tempo real, aos acervos de bibliotecas especializadas, independente de distância geográfica. Modernizando os serviços de comu…
(Only some records are available in English at this moment)
Higher-spin gauge symmetries have a connection with string theory in the so-called tensionless limit of the string, where the mass of the higher-spin particles goes to zero. The goal of this project is to understand in more depth the relationship between the triplet action constructed in string theory from the BRST charge and the usual description of higher-spin particles from field theor…
It is known that the minimum symmetry needed to eliminate unwanted spin-1 degrees of freedom (ghosts) present in the symmetric tensor corresponds to transverse diffeomorphisms (TDiff). One can use the TDiff theory to describe massless particles of spin-2 and spin-0. The Tdiff theory depends upon a real arbitrary parameter that guarantees the unitarity of this theory for a certain range. T…
A basic concept in Field Theory and Elementary Particle Physics is gauge symmetry. The most fundamental theories as the standard model (electro-weak-strong interactions), gravitational theories and even superstrings have local symmetries (gauge symmetries). Although the gauge principle leads us to an inspiring and aesthetically attractive formulation of the fundamental forces in Nature, …
(Only some records are available in English at this moment)
Our aims are basically twofold. On one hand, we would like to compare field theorydescriptions of reducible models of integer higher spin (HS) particles containing all even(odd) spin modes s, s - 2, s - 4, · · · , 0 (1) for even (odd) spin-s with the so called doublettheory stemming from the tensionless limit of the open string field theory for the lead-ing Regge trajectory. In the field …
Um dos aspectos mais intensamente estudados do cromo-dinâmico quântica (QCD), especialmente via simulações na rede, é o espectro do operador de Dirac que está intimamente relacionado com a quebra espontânea da simetria quiral. Recentemente foi proposto por E. V. Schuryak e J. Verbaarschot um modelo efetivo de matrizes aleatórias a partir do qual tal espectro pode ser calculado. O objetivo…