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Beam transport in a quadrupole electrostatic system
Barroso,J. J.; Terra,M. O.Electron beam transport through a quadrupole electrostatic system is investigated by particle-in-cell simulation in the present work, where - at the advantage of easier experimental implementation - the analogous parabolic electrostatic potential replaces the usual neutralizing ion background of bounded plasma systems. Looking at the maximum transported current and the dynamical behavior dependence on the elect...
Finite Temperature Effects in the NonintegrableSU(3) Lipkin Model
Terra, M. O.; Nemes, M. C.; Providência, C. da; Providência, J. daIn the present work we use nonrelativistic many body physics techniques to generalize the classical limit of quantum systems in such a way as to incorporate statistical mixtures. Finite temperature effects are thus incorporated in a natural way. We give a detailed account of the thermodynamics of theSU(3) Lipkin model and then derive the classical thermal (chaotic) dynamics of the system. The most remarkable fe...
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