Solid State Analog for He-McKellar-Wilkens Quantum Phase

In this letter we investigate the quantum dynamics of a quasiparticle in the presence of a charged screw dislocation submitted to a uniform magnetic field. Analysing the quantum scattering for this quasiparticle we observed the appearance of a topological quantum phase in the solution and demonstrate that this phenomenon is the solid state analog of the He-McKeller-Wilkens effect.Comment: 7 pages, epl styl

Electronic properties of curved graphene sheets

A model is proposed to study the electronic structure of slightly curved graphene sheets with an arbitrary number of pentagon-heptagon pairs and Stone-Wales defects based on a cosmological analogy. The disorder induced by curvature produces characteristic patterns in the local density of states that can be observed in scanning tunnel and transmission electron microscopy.Comment: Corrected versio

Potencial da soja na produção de biodiesel.

Disponível em .bitstream/item/128055/1/SP-15547.pd

THE PIONEER CONTRIBUTION OF LUIZ MARCELLINO DE OLIVEIRA TO EXPERIMENTAL ANALYSIS OF BEHAVIOR AND PSYCHONIOLOGICAL INVESTIGATION IN BRAZIL

Luiz Marcellino de Oliveira (1939-2008) had an influential participation in almost every moment of the history of the Department of Psychology and Education, FFCLRP, as well as at different moments of the history of the Brazilian Psychology. This paper examines issues related to his pioneer work as a teacher of experimental analysis of behavior and as a psychobiological investigator in Brazil. Emphasis is given to his dedication to the development of science and to the consolidation of a scientific approach to Psychology in Brazil at the level of teaching and of experimental investigation. He contributed with investigations on the effects of drugs and malnourishment on behavior and brain development, conducting experimental analysis of behavior and neurochemical and electrophysiological analysis of the nervous system of the malnourished organism, as well as putting emphasis on environmental stimulation as a valuable intervention. Both as a teacher and as a researcher he exerted a prime influence on numerous professionals and members of the academic community that during more than forty years had the privilege of benefiting from his friendship and knowledge. Keywords: Luiz Marcellino de Oliveira; experimental analysis of behavior; psychobiology; malnutrition; environmental stimulation. Luiz Marcellino de Oliveira (1939-2008) had an influential participation in almost every moment of the history of the Department of Psychology and Education, FFCLRP, as well as at different moments of the history of the Brazilian Psychology. This paper examines issues related to his pioneer work as a teacher of experimental analysis of behavior and as a psychobiological investigator in Brazil. Emphasis is given to his dedication to the development of science and to the consolidation of a scientific approach to Psychology in Brazil at the level of teaching and of experimental investigation. He contributed with investigations on the effects of drugs and malnourishment on behavior and brain development, conducting experimental analysis of behavior and neurochemical and electrophysiological analysis of the nervous system of the malnourished organism, as well as putting emphasis on environmental stimulation as a valuable intervention. Both as a teacher and as a researcher he exerted a prime influence on numerous professionals and members of the academic community that during more than forty years had the privilege of benefiting from his friendship and knowledge. Keywords: Luiz Marcellino de Oliveira; experimental analysis of behavior; psychobiology; malnutrition; environmental stimulation.

Técnica da enxertia de copa da seringueira.

Informacoes tecnicas sobre enxertia de copa de seringueira, envolvendo altura da enxertia, contagem das plantas aptas a enxertia, posicao da enxertia, epoca do ano, combinacoes copa/painel, colheita de hastes, procedimentos da enxertia, verificacao e decaptacao, operacoes pos-cecapitacao e coeficientes tecnicos.bitstream/CPAA-2009-09/2733/1/Com_Tec_14.pd