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|Title:||Quantum scattering on a cone revisited|
|Author:||Barroso, V. S.|
Pitelli, J. P. M.
|Abstract:||We revisit the scattering of quantum test particles on the conical (2 + 1)-dimensional spacetime and find the scattering amplitude as a function of the boundary conditions imposed at the apex of the cone. We show that the boundary condition is responsible for a purely analytical term in the scattering amplitude, in addition to those coming from purely topological effects. Since it is possible to have nonequivalent physical evolutions for the wave packet (each one corresponding to a different boundary condition), it seems crucial to have an observable quantity specifying which evolution has been prescribed.|
Métodos de elementos de contorno
Boundary element methods
|Editor:||American Physical Society|
|Appears in Collections:||IMECC - Artigos e Outros Documentos|
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