Apresentação

O nosso departamento congrega docente que atuam em diversas áreas de pesquisa, notadamente Ciências dos Materiais, Física Computacional, Astrofísica, Cosmologia e Gravitação, Big Bang, Matéria Escura, Energia Escura, Relatividade Geral e teorias gravitacionais alternativas.. Temos um curso de bacharelado em física com ênfases em ciências dos materiais e física básica e um curso de Licenciatura em Física. Atuamos nos cursos de Pós-graduação em Física de Materiais (FIMAT), Rede Temática em Engenharia de Materiais - REDEMAT, Mestrado Profissional em Estudo de Ciência (MPEC) e outros programas em colaboração com outros departamentos da UFOP. 

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Publicações Recentes do Departamento de Física

Mól LAS, Rodrigues RGM, Stancioli RA, Rocha JCS, Costa BV. On the use of the energy probability distribution zeros in the study of phase transitions. Journal of Physics: Conference Series [Internet]. 2018;1012 (1) :012005. Publisher's VersionAbstract
This contribution is devoted to cover some technical aspects related to the use of the recently proposed energy probability distribution zeros in the study of phase transitions. This method is based on the partial knowledge of the partition function zeros and has been shown to be extremely efficient to precisely locate phase transition temperatures. It is based on an iterative method in such a way that the transition temperature can be approached at will. The iterative method will be detailed and some convergence issues that has been observed in its application to the 2D Ising model and to an artificial spin ice model will be shown, together with ways to circumvent them.
Cariglia M, Giambò R, Perali A. Electronic Properties of Curved Few-Layers Graphene: A Geometrical Approach. Condensed Matter [Internet]. 2018;3 (2, ARTICLE NUMBER = 1). Publisher's VersionAbstract
We show the presence of non-relativistic Lévy-Leblond fermions in flat three- and four-layers graphene with AB stacking, extending the results obtained in Cariglia et al. 2017 for bilayer graphene. When the layer is curved we obtain a set of equations for Galilean fermions that are a variation of those of Lévy-Leblond with a well defined combination of pseudospin, and that admit Lévy-Leblond spinors as solutions in an approriate limit. The local energy of such Galilean fermions is sensitive to the intrinsic curvature of the surface. We discuss the relationship between two-dimensional pseudospin, labelling layer degrees of freedom, and the different energy bands. For Lévy-Leblond fermions, an interpretation is given in terms of massless fermions in an effective 4D spacetime, and in this case the pseudospin is related to four dimensional chirality. A non-zero energy band gap between conduction and valence electronic bands is obtained for surfaces with positive curvature.
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