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- Universidade Federal do ParanáBR23 papers
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5 papers · 1 filter
Conservative Generalized Bifurcation Diagrams
Cesar Manchein, Marcus W. Beims
Bifurcation cascades in conservative systems are shown to exhibit a generalized diagram, which contains all relevant informations regarding the location of periodic orbits (resonan…
Temperature Resistant Optimal Ratchet Transport
Cesar Manchein, Alan Celestino, Marcus W Beims
Stable periodic structures containing optimal ratchet transport, recently found in the parameter space dissipation versus ratchet parameter [PRL 106, 234101 (2011)], are shown to b…
Spin-independent v-representability of Wigner crystal oscillations in one-dimensional Hubbard chains: The role of spin-charge separation
Daniel Vieira
Electrons in one-dimension display the unusual property of separating their spin and charge into two independent entities: The first, which derive from uncharged spin-1/2 electrons…
Estimating hyperbolicity of chaotic bidimensional maps
Matteo Sala, Cesar Manchein, Roberto Artuso
We apply to bidimensional chaotic maps the numerical method proposed by Ginelli et al. to approximate the associated Oseledets splitting, i.e. the set of linear subspaces spanned b…
Pseudo-Unitary Dynamics of Free Relativistic Quantum Mechanical Twofold Systems
Jorge G. Cardoso
A finite-dimensional pseudo-unitary framework is set up for describing the dynamics of free elementary particles in a purely relativistic quantum mechanical way. States of any indi…