50 citations
- Universidade Federal do ParanáBR6 papers
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Showing 2012 · quant-phShow all
3 papers · 2 filters
quant-ph2012★ 4 cited
Superdiffusivity of quantum walks: A Feynman sum-over-paths description
F. M. Andrade, M. G. E. da Luz
Quantum walks constitute important tools in different applications, especially in quantum algorithms. To a great extent their usefulness is due to unusual diffusive features, allow…
quant-ph2012★ 42 cited
Nonrelativistic quantum dynamics on a cone with and without a constraining potential
C. Filgueiras, E. O. Silva, F. M. Andrade
In this paper we investigate the bound state problem of nonrelativistic quantum particles on a conical surface. This kind of surface appears as a topological defect in ordinary sem…
quant-ph2012★ 28 cited
On Aharonov-Casher bound states
E. O. Silva, F. M. Andrade, H. Belich +1
In this work bound states for the Aharonov-Casher problem are considered. According to Hagen's work on the exact equivalence between spin-1/2 Aharonov-Bohm and Aharonov-Casher effe…